diff --git a/pkg/kubeapiserver/admission/initializer.go b/pkg/kubeapiserver/admission/initializer.go
index fd6bf4cefa4..0a93b8ae1f1 100644
--- a/pkg/kubeapiserver/admission/initializer.go
+++ b/pkg/kubeapiserver/admission/initializer.go
@@ -34,13 +34,13 @@ import (
 // WantsInternalKubeClientSet defines a function which sets ClientSet for admission plugins that need it
 type WantsInternalKubeClientSet interface {
 	SetInternalKubeClientSet(internalclientset.Interface)
-	admission.Validator
+	admission.InitializationValidator
 }
 
 // WantsInternalKubeInformerFactory defines a function which sets InformerFactory for admission plugins that need it
 type WantsInternalKubeInformerFactory interface {
 	SetInternalKubeInformerFactory(informers.SharedInformerFactory)
-	admission.Validator
+	admission.InitializationValidator
 }
 
 // WantsCloudConfig defines a function which sets CloudConfig for admission plugins that need it.
@@ -56,7 +56,7 @@ type WantsRESTMapper interface {
 // WantsQuotaConfiguration defines a function which sets quota configuration for admission plugins that need it.
 type WantsQuotaConfiguration interface {
 	SetQuotaConfiguration(quota.Configuration)
-	admission.Validator
+	admission.InitializationValidator
 }
 
 // WantsServiceResolver defines a fuction that accepts a ServiceResolver for
@@ -75,7 +75,7 @@ type ServiceResolver interface {
 // to allow the apiserver to control what is returned as auth info
 type WantsAuthenticationInfoResolverWrapper interface {
 	SetAuthenticationInfoResolverWrapper(webhook.AuthenticationInfoResolverWrapper)
-	admission.Validator
+	admission.InitializationValidator
 }
 
 type PluginInitializer struct {
diff --git a/plugin/pkg/admission/admit/admission.go b/plugin/pkg/admission/admit/admission.go
index 7da725b93cf..9c33855f52c 100644
--- a/plugin/pkg/admission/admit/admission.go
+++ b/plugin/pkg/admission/admit/admission.go
@@ -38,8 +38,8 @@ func (AlwaysAdmit) Admit(a admission.Attributes) (err error) {
 	return nil
 }
 
-// ValidatingAdmit makes an admission decision based on the request attributes.  It is NOT allowed to mutate
-func (AlwaysAdmit) ValidatingAdmit(a admission.Attributes) (err error) {
+// Validate makes an admission decision based on the request attributes.  It is NOT allowed to mutate.
+func (AlwaysAdmit) Validate(a admission.Attributes) (err error) {
 	return nil
 }
 
diff --git a/plugin/pkg/admission/exec/admission.go b/plugin/pkg/admission/exec/admission.go
index bde9e9db999..b5bea35de4a 100644
--- a/plugin/pkg/admission/exec/admission.go
+++ b/plugin/pkg/admission/exec/admission.go
@@ -135,8 +135,8 @@ func (d *DenyExec) SetInternalKubeClientSet(client internalclientset.Interface)
 	d.client = client
 }
 
-// Validate implements the Validator interface.
-func (d *DenyExec) Validate() error {
+// ValidateInitialization implements the InitializationValidator interface.
+func (d *DenyExec) ValidateInitialization() error {
 	if d.client == nil {
 		return fmt.Errorf("missing client")
 	}
diff --git a/plugin/pkg/admission/exec/admission_test.go b/plugin/pkg/admission/exec/admission_test.go
index f48ebcc7ae1..4a178f412fd 100644
--- a/plugin/pkg/admission/exec/admission_test.go
+++ b/plugin/pkg/admission/exec/admission_test.go
@@ -118,7 +118,7 @@ func testAdmission(t *testing.T, pod *api.Pod, handler *DenyExec, shouldAccept b
 	})
 
 	handler.SetInternalKubeClientSet(mockClient)
-	admission.Validate(handler)
+	admission.ValidateInitialization(handler)
 
 	// pods/exec
 	{
diff --git a/plugin/pkg/admission/gc/gc_admission.go b/plugin/pkg/admission/gc/gc_admission.go
index 5c4287925b6..2963fad05d2 100644
--- a/plugin/pkg/admission/gc/gc_admission.go
+++ b/plugin/pkg/admission/gc/gc_admission.go
@@ -260,7 +260,7 @@ func (a *gcPermissionsEnforcement) SetRESTMapper(restMapper meta.RESTMapper) {
 	a.restMapper = restMapper
 }
 
-func (a *gcPermissionsEnforcement) Validate() error {
+func (a *gcPermissionsEnforcement) ValidateInitialization() error {
 	if a.authorizer == nil {
 		return fmt.Errorf("missing authorizer")
 	}
diff --git a/plugin/pkg/admission/limitranger/admission.go b/plugin/pkg/admission/limitranger/admission.go
index 356a53de289..676f459eb27 100644
--- a/plugin/pkg/admission/limitranger/admission.go
+++ b/plugin/pkg/admission/limitranger/admission.go
@@ -75,7 +75,7 @@ func (l *LimitRanger) SetInternalKubeInformerFactory(f informers.SharedInformerF
 	l.lister = limitRangeInformer.Lister()
 }
 
-func (l *LimitRanger) Validate() error {
+func (l *LimitRanger) ValidateInitialization() error {
 	if l.lister == nil {
 		return fmt.Errorf("missing limitRange lister")
 	}
diff --git a/plugin/pkg/admission/limitranger/admission_test.go b/plugin/pkg/admission/limitranger/admission_test.go
index dcd4c0db548..4ed29df8df2 100644
--- a/plugin/pkg/admission/limitranger/admission_test.go
+++ b/plugin/pkg/admission/limitranger/admission_test.go
@@ -746,7 +746,7 @@ func newHandlerForTest(c clientset.Interface) (*LimitRanger, informers.SharedInf
 	}
 	pluginInitializer := kubeadmission.NewPluginInitializer(c, f, nil, nil, nil, nil, nil)
 	pluginInitializer.Initialize(handler)
-	err = admission.Validate(handler)
+	err = admission.ValidateInitialization(handler)
 	return handler, f, err
 }
 
diff --git a/plugin/pkg/admission/namespace/autoprovision/admission.go b/plugin/pkg/admission/namespace/autoprovision/admission.go
index 7ee90198344..a963c06c43d 100644
--- a/plugin/pkg/admission/namespace/autoprovision/admission.go
+++ b/plugin/pkg/admission/namespace/autoprovision/admission.go
@@ -106,8 +106,8 @@ func (p *Provision) SetInternalKubeInformerFactory(f informers.SharedInformerFac
 	p.SetReadyFunc(namespaceInformer.Informer().HasSynced)
 }
 
-// Validate implements the Validator interface.
-func (p *Provision) Validate() error {
+// ValidateInitialization implements the InitializationValidator interface.
+func (p *Provision) ValidateInitialization() error {
 	if p.namespaceLister == nil {
 		return fmt.Errorf("missing namespaceLister")
 	}
diff --git a/plugin/pkg/admission/namespace/autoprovision/admission_test.go b/plugin/pkg/admission/namespace/autoprovision/admission_test.go
index 1f97cc88499..bbe8524dae3 100644
--- a/plugin/pkg/admission/namespace/autoprovision/admission_test.go
+++ b/plugin/pkg/admission/namespace/autoprovision/admission_test.go
@@ -40,7 +40,7 @@ func newHandlerForTest(c clientset.Interface) (admission.MutationInterface, info
 	handler := NewProvision()
 	pluginInitializer := kubeadmission.NewPluginInitializer(c, f, nil, nil, nil, nil, nil)
 	pluginInitializer.Initialize(handler)
-	err := admission.Validate(handler)
+	err := admission.ValidateInitialization(handler)
 	return handler, f, err
 }
 
diff --git a/plugin/pkg/admission/namespace/exists/admission.go b/plugin/pkg/admission/namespace/exists/admission.go
index bed404a83e4..5a6c29751e3 100644
--- a/plugin/pkg/admission/namespace/exists/admission.go
+++ b/plugin/pkg/admission/namespace/exists/admission.go
@@ -101,8 +101,8 @@ func (e *Exists) SetInternalKubeInformerFactory(f informers.SharedInformerFactor
 	e.SetReadyFunc(namespaceInformer.Informer().HasSynced)
 }
 
-// Validate implements the Validator interface.
-func (e *Exists) Validate() error {
+// ValidateInitialization implements the InitializationValidator interface.
+func (e *Exists) ValidateInitialization() error {
 	if e.namespaceLister == nil {
 		return fmt.Errorf("missing namespaceLister")
 	}
diff --git a/plugin/pkg/admission/namespace/exists/admission_test.go b/plugin/pkg/admission/namespace/exists/admission_test.go
index 179eb781c97..4b8d54c025a 100644
--- a/plugin/pkg/admission/namespace/exists/admission_test.go
+++ b/plugin/pkg/admission/namespace/exists/admission_test.go
@@ -39,7 +39,7 @@ func newHandlerForTest(c clientset.Interface) (admission.MutationInterface, info
 	handler := NewExists()
 	pluginInitializer := kubeadmission.NewPluginInitializer(c, f, nil, nil, nil, nil, nil)
 	pluginInitializer.Initialize(handler)
-	err := admission.Validate(handler)
+	err := admission.ValidateInitialization(handler)
 	return handler, f, err
 }
 
diff --git a/plugin/pkg/admission/noderestriction/admission.go b/plugin/pkg/admission/noderestriction/admission.go
index f1f77a95569..86c90a58838 100644
--- a/plugin/pkg/admission/noderestriction/admission.go
+++ b/plugin/pkg/admission/noderestriction/admission.go
@@ -69,7 +69,7 @@ func (p *nodePlugin) SetInternalKubeClientSet(f internalclientset.Interface) {
 	p.podsGetter = f.Core()
 }
 
-func (p *nodePlugin) Validate() error {
+func (p *nodePlugin) ValidateInitialization() error {
 	if p.nodeIdentifier == nil {
 		return fmt.Errorf("%s requires a node identifier", PluginName)
 	}
diff --git a/plugin/pkg/admission/persistentvolume/resize/admission.go b/plugin/pkg/admission/persistentvolume/resize/admission.go
index eb7b11cdac0..4b3ea07d5b5 100644
--- a/plugin/pkg/admission/persistentvolume/resize/admission.go
+++ b/plugin/pkg/admission/persistentvolume/resize/admission.go
@@ -68,8 +68,8 @@ func (pvcr *persistentVolumeClaimResize) SetInternalKubeInformerFactory(f inform
 	})
 }
 
-// Validate ensures lister is set.
-func (pvcr *persistentVolumeClaimResize) Validate() error {
+// ValidateInitialization ensures lister is set.
+func (pvcr *persistentVolumeClaimResize) ValidateInitialization() error {
 	if pvcr.pvLister == nil {
 		return fmt.Errorf("missing persistent volume lister")
 	}
diff --git a/plugin/pkg/admission/podnodeselector/admission.go b/plugin/pkg/admission/podnodeselector/admission.go
index 469286f1e9b..38763d5eac6 100644
--- a/plugin/pkg/admission/podnodeselector/admission.go
+++ b/plugin/pkg/admission/podnodeselector/admission.go
@@ -183,7 +183,7 @@ func (p *podNodeSelector) SetInternalKubeInformerFactory(f informers.SharedInfor
 	p.SetReadyFunc(namespaceInformer.Informer().HasSynced)
 }
 
-func (p *podNodeSelector) Validate() error {
+func (p *podNodeSelector) ValidateInitialization() error {
 	if p.namespaceLister == nil {
 		return fmt.Errorf("missing namespaceLister")
 	}
diff --git a/plugin/pkg/admission/podnodeselector/admission_test.go b/plugin/pkg/admission/podnodeselector/admission_test.go
index 6dc9b5a7029..331d824ee79 100644
--- a/plugin/pkg/admission/podnodeselector/admission_test.go
+++ b/plugin/pkg/admission/podnodeselector/admission_test.go
@@ -243,6 +243,6 @@ func newHandlerForTest(c clientset.Interface) (*podNodeSelector, informers.Share
 	handler := NewPodNodeSelector(nil)
 	pluginInitializer := kubeadmission.NewPluginInitializer(c, f, nil, nil, nil, nil, nil)
 	pluginInitializer.Initialize(handler)
-	err := admission.Validate(handler)
+	err := admission.ValidateInitialization(handler)
 	return handler, f, err
 }
diff --git a/plugin/pkg/admission/podpreset/admission.go b/plugin/pkg/admission/podpreset/admission.go
index 4bd33c7971c..60554fb7c1e 100644
--- a/plugin/pkg/admission/podpreset/admission.go
+++ b/plugin/pkg/admission/podpreset/admission.go
@@ -69,7 +69,7 @@ func NewPlugin() *podPresetPlugin {
 	}
 }
 
-func (plugin *podPresetPlugin) Validate() error {
+func (plugin *podPresetPlugin) ValidateInitialization() error {
 	if plugin.client == nil {
 		return fmt.Errorf("%s requires a client", pluginName)
 	}
diff --git a/plugin/pkg/admission/podtolerationrestriction/admission.go b/plugin/pkg/admission/podtolerationrestriction/admission.go
index 655a2e365a0..fbea65c39db 100644
--- a/plugin/pkg/admission/podtolerationrestriction/admission.go
+++ b/plugin/pkg/admission/podtolerationrestriction/admission.go
@@ -202,7 +202,7 @@ func (p *podTolerationsPlugin) SetInternalKubeInformerFactory(f informers.Shared
 
 }
 
-func (p *podTolerationsPlugin) Validate() error {
+func (p *podTolerationsPlugin) ValidateInitialization() error {
 	if p.namespaceLister == nil {
 		return fmt.Errorf("missing namespaceLister")
 	}
diff --git a/plugin/pkg/admission/podtolerationrestriction/admission_test.go b/plugin/pkg/admission/podtolerationrestriction/admission_test.go
index cc88fadd51f..ba9c58cec7e 100644
--- a/plugin/pkg/admission/podtolerationrestriction/admission_test.go
+++ b/plugin/pkg/admission/podtolerationrestriction/admission_test.go
@@ -344,6 +344,6 @@ func newHandlerForTest(c clientset.Interface) (*podTolerationsPlugin, informers.
 	handler := NewPodTolerationsPlugin(pluginConfig)
 	pluginInitializer := kubeadmission.NewPluginInitializer(c, f, nil, nil, nil, nil, nil)
 	pluginInitializer.Initialize(handler)
-	err = admission.Validate(handler)
+	err = admission.ValidateInitialization(handler)
 	return handler, f, err
 }
diff --git a/plugin/pkg/admission/priority/admission.go b/plugin/pkg/admission/priority/admission.go
index 5105809e909..eddea6f446a 100644
--- a/plugin/pkg/admission/priority/admission.go
+++ b/plugin/pkg/admission/priority/admission.go
@@ -74,8 +74,8 @@ func NewPlugin() *PriorityPlugin {
 	}
 }
 
-// Validate implements the Validator interface.
-func (p *PriorityPlugin) Validate() error {
+// ValidateInitialization implements the InitializationValidator interface.
+func (p *PriorityPlugin) ValidateInitialization() error {
 	if p.client == nil {
 		return fmt.Errorf("%s requires a client", pluginName)
 	}
diff --git a/plugin/pkg/admission/resourcequota/admission.go b/plugin/pkg/admission/resourcequota/admission.go
index 26ddb02d1a5..0cffb684ffb 100644
--- a/plugin/pkg/admission/resourcequota/admission.go
+++ b/plugin/pkg/admission/resourcequota/admission.go
@@ -100,8 +100,8 @@ func (a *QuotaAdmission) SetQuotaConfiguration(c quota.Configuration) {
 	a.evaluator = NewQuotaEvaluator(a.quotaAccessor, a.quotaConfiguration, nil, a.config, a.numEvaluators, a.stopCh)
 }
 
-// Validate ensures an authorizer is set.
-func (a *QuotaAdmission) Validate() error {
+// ValidateInitialization ensures an authorizer is set.
+func (a *QuotaAdmission) ValidateInitialization() error {
 	if a.quotaAccessor == nil {
 		return fmt.Errorf("missing quotaAccessor")
 	}
diff --git a/plugin/pkg/admission/security/podsecuritypolicy/admission.go b/plugin/pkg/admission/security/podsecuritypolicy/admission.go
index 19de55b93e1..fbc1cc3761e 100644
--- a/plugin/pkg/admission/security/podsecuritypolicy/admission.go
+++ b/plugin/pkg/admission/security/podsecuritypolicy/admission.go
@@ -72,8 +72,8 @@ func (plugin *podSecurityPolicyPlugin) SetAuthorizer(authz authorizer.Authorizer
 	plugin.authz = authz
 }
 
-// Validate ensures an authorizer is set.
-func (plugin *podSecurityPolicyPlugin) Validate() error {
+// ValidateInitialization ensures an authorizer is set.
+func (plugin *podSecurityPolicyPlugin) ValidateInitialization() error {
 	if plugin.authz == nil {
 		return fmt.Errorf("%s requires an authorizer", PluginName)
 	}
diff --git a/plugin/pkg/admission/serviceaccount/admission.go b/plugin/pkg/admission/serviceaccount/admission.go
index 9e319d26d6c..0876bb3b6cd 100644
--- a/plugin/pkg/admission/serviceaccount/admission.go
+++ b/plugin/pkg/admission/serviceaccount/admission.go
@@ -117,8 +117,8 @@ func (a *serviceAccount) SetInternalKubeInformerFactory(f informers.SharedInform
 	})
 }
 
-// Validate ensures an authorizer is set.
-func (a *serviceAccount) Validate() error {
+// ValidateInitialization ensures an authorizer is set.
+func (a *serviceAccount) ValidateInitialization() error {
 	if a.client == nil {
 		return fmt.Errorf("missing client")
 	}
diff --git a/plugin/pkg/admission/storageclass/setdefault/admission.go b/plugin/pkg/admission/storageclass/setdefault/admission.go
index 2e218bb0eda..39aaaac00a0 100644
--- a/plugin/pkg/admission/storageclass/setdefault/admission.go
+++ b/plugin/pkg/admission/storageclass/setdefault/admission.go
@@ -69,8 +69,8 @@ func (a *claimDefaulterPlugin) SetInternalKubeInformerFactory(f informers.Shared
 	a.SetReadyFunc(informer.Informer().HasSynced)
 }
 
-// Validate ensures lister is set.
-func (a *claimDefaulterPlugin) Validate() error {
+// ValidateInitialization ensures lister is set.
+func (a *claimDefaulterPlugin) ValidateInitialization() error {
 	if a.lister == nil {
 		return fmt.Errorf("missing lister")
 	}
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/chain.go b/staging/src/k8s.io/apiserver/pkg/admission/chain.go
index 170cf7d19e4..65c7a526187 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/chain.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/chain.go
@@ -40,14 +40,14 @@ func (admissionHandler chainAdmissionHandler) Admit(a Attributes) error {
 	return nil
 }
 
-// ValidatingAdmit performs an admission control check using a chain of handlers, and returns immediately on first error
-func (admissionHandler chainAdmissionHandler) ValidatingAdmit(a Attributes) error {
+// Validate performs an admission control check using a chain of handlers, and returns immediately on first error
+func (admissionHandler chainAdmissionHandler) Validate(a Attributes) error {
 	for _, handler := range admissionHandler {
 		if !handler.Handles(a.GetOperation()) {
 			continue
 		}
 		if validator, ok := handler.(ValidationInterface); ok {
-			err := validator.ValidatingAdmit(a)
+			err := validator.Validate(a)
 			if err != nil {
 				return err
 			}
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/initializer/initializer_test.go b/staging/src/k8s.io/apiserver/pkg/admission/initializer/initializer_test.go
index e046ee2d4a3..cbf0206a2fe 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/initializer/initializer_test.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/initializer/initializer_test.go
@@ -99,7 +99,7 @@ func (self *WantExternalKubeInformerFactory) SetExternalKubeInformerFactory(sf i
 }
 func (self *WantExternalKubeInformerFactory) Admit(a admission.Attributes) error { return nil }
 func (self *WantExternalKubeInformerFactory) Handles(o admission.Operation) bool { return false }
-func (self *WantExternalKubeInformerFactory) Validate() error                    { return nil }
+func (self *WantExternalKubeInformerFactory) ValidateInitialization() error      { return nil }
 
 var _ admission.Interface = &WantExternalKubeInformerFactory{}
 var _ initializer.WantsExternalKubeInformerFactory = &WantExternalKubeInformerFactory{}
@@ -112,7 +112,7 @@ type WantExternalKubeClientSet struct {
 func (self *WantExternalKubeClientSet) SetExternalKubeClientSet(cs kubernetes.Interface) { self.cs = cs }
 func (self *WantExternalKubeClientSet) Admit(a admission.Attributes) error               { return nil }
 func (self *WantExternalKubeClientSet) Handles(o admission.Operation) bool               { return false }
-func (self *WantExternalKubeClientSet) Validate() error                                  { return nil }
+func (self *WantExternalKubeClientSet) ValidateInitialization() error                    { return nil }
 
 var _ admission.Interface = &WantExternalKubeClientSet{}
 var _ initializer.WantsExternalKubeClientSet = &WantExternalKubeClientSet{}
@@ -125,7 +125,7 @@ type WantAuthorizerAdmission struct {
 func (self *WantAuthorizerAdmission) SetAuthorizer(a authorizer.Authorizer) { self.auth = a }
 func (self *WantAuthorizerAdmission) Admit(a admission.Attributes) error    { return nil }
 func (self *WantAuthorizerAdmission) Handles(o admission.Operation) bool    { return false }
-func (self *WantAuthorizerAdmission) Validate() error                       { return nil }
+func (self *WantAuthorizerAdmission) ValidateInitialization() error         { return nil }
 
 var _ admission.Interface = &WantAuthorizerAdmission{}
 var _ initializer.WantsAuthorizer = &WantAuthorizerAdmission{}
@@ -145,7 +145,7 @@ type clientCertWanter struct {
 func (s *clientCertWanter) SetClientCert(cert, key []byte)     { s.gotCert, s.gotKey = cert, key }
 func (s *clientCertWanter) Admit(a admission.Attributes) error { return nil }
 func (s *clientCertWanter) Handles(o admission.Operation) bool { return false }
-func (s *clientCertWanter) Validate() error                    { return nil }
+func (s *clientCertWanter) ValidateInitialization() error      { return nil }
 
 // WantSchemeAdmission is a test stub that fulfills the WantsScheme interface.
 type WantSchemeAdmission struct {
@@ -155,7 +155,7 @@ type WantSchemeAdmission struct {
 func (self *WantSchemeAdmission) SetScheme(s *runtime.Scheme)        { self.scheme = s }
 func (self *WantSchemeAdmission) Admit(a admission.Attributes) error { return nil }
 func (self *WantSchemeAdmission) Handles(o admission.Operation) bool { return false }
-func (self *WantSchemeAdmission) Validate() error                    { return nil }
+func (self *WantSchemeAdmission) ValidateInitialization() error      { return nil }
 
 var _ admission.Interface = &WantSchemeAdmission{}
 var _ initializer.WantsScheme = &WantSchemeAdmission{}
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/initializer/interfaces.go b/staging/src/k8s.io/apiserver/pkg/admission/initializer/interfaces.go
index 16131f9dc8d..98a07585406 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/initializer/interfaces.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/initializer/interfaces.go
@@ -27,23 +27,23 @@ import (
 // WantsExternalKubeClientSet defines a function which sets external ClientSet for admission plugins that need it
 type WantsExternalKubeClientSet interface {
 	SetExternalKubeClientSet(kubernetes.Interface)
-	admission.Validator
+	admission.InitializationValidator
 }
 
 // WantsExternalKubeInformerFactory defines a function which sets InformerFactory for admission plugins that need it
 type WantsExternalKubeInformerFactory interface {
 	SetExternalKubeInformerFactory(informers.SharedInformerFactory)
-	admission.Validator
+	admission.InitializationValidator
 }
 
 // WantsAuthorizer defines a function which sets Authorizer for admission plugins that need it.
 type WantsAuthorizer interface {
 	SetAuthorizer(authorizer.Authorizer)
-	admission.Validator
+	admission.InitializationValidator
 }
 
 // WantsScheme defines a function that accepts runtime.Scheme for admission plugins that need it.
 type WantsScheme interface {
 	SetScheme(*runtime.Scheme)
-	admission.Validator
+	admission.InitializationValidator
 }
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/interfaces.go b/staging/src/k8s.io/apiserver/pkg/admission/interfaces.go
index 01c7b204649..76d3864e275 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/interfaces.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/interfaces.go
@@ -69,8 +69,8 @@ type MutationInterface interface {
 type ValidationInterface interface {
 	Interface
 
-	// ValidatingAdmit makes an admission decision based on the request attributes.  It is NOT allowed to mutate
-	ValidatingAdmit(a Attributes) (err error)
+	// Validate makes an admission decision based on the request attributes.  It is NOT allowed to mutate
+	Validate(a Attributes) (err error)
 }
 
 // Operation is the type of resource operation being checked for admission control
@@ -90,10 +90,10 @@ type PluginInitializer interface {
 	Initialize(plugin Interface)
 }
 
-// Validator holds Validate functions, which are responsible for validation of initialized shared resources
-// and should be implemented on admission plugins
-type Validator interface {
-	Validate() error
+// InitializationValidator holds ValidateInitialization functions, which are responsible for validation of initialized
+// shared resources and should be implemented on admission plugins
+type InitializationValidator interface {
+	ValidateInitialization() error
 }
 
 // ConfigProvider provides a way to get configuration for an admission plugin based on its name
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/plugin/initialization/initialization.go b/staging/src/k8s.io/apiserver/pkg/admission/plugin/initialization/initialization.go
index 5eebea997d7..e5adaf25047 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/plugin/initialization/initialization.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/plugin/initialization/initialization.go
@@ -74,8 +74,8 @@ func NewInitializer() admission.Interface {
 	return &initializer{}
 }
 
-// Validate implements the Validator interface.
-func (i *initializer) Validate() error {
+// ValidateInitialization implements the InitializationValidator interface.
+func (i *initializer) ValidateInitialization() error {
 	if i.config == nil {
 		return fmt.Errorf("the Initializer admission plugin requires a Kubernetes client to be provided")
 	}
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission.go b/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission.go
index b1384c2b912..158f4164276 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission.go
@@ -214,8 +214,8 @@ func (l *Lifecycle) SetExternalKubeClientSet(client kubernetes.Interface) {
 	l.client = client
 }
 
-// Validate implement the Validator interface.
-func (l *Lifecycle) Validate() error {
+// ValidateInitialization implements the InitializationValidator interface.
+func (l *Lifecycle) ValidateInitialization() error {
 	if l.namespaceLister == nil {
 		return fmt.Errorf("missing namespaceLister")
 	}
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission_test.go b/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission_test.go
index 4c885c21ca1..3c2c74e4d44 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission_test.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/plugin/namespace/lifecycle/admission_test.go
@@ -53,7 +53,7 @@ func newHandlerForTestWithClock(c clientset.Interface, cacheClock clock.Clock) (
 		return handler, f, err
 	}
 	pluginInitializer.Initialize(handler)
-	err = admission.Validate(handler)
+	err = admission.ValidateInitialization(handler)
 	return handler, f, err
 }
 
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/admission.go b/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/admission.go
index 9a251f2d146..33b6dd0a23c 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/admission.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/admission.go
@@ -156,9 +156,8 @@ func (a *GenericAdmissionWebhook) SetExternalKubeClientSet(client clientset.Inte
 	a.hookSource = configuration.NewExternalAdmissionHookConfigurationManager(client.Admissionregistration().ExternalAdmissionHookConfigurations())
 }
 
-// Validator holds Validate functions, which are responsible for validation of initialized shared resources
-// and should be implemented on admission plugins
-func (a *GenericAdmissionWebhook) Validate() error {
+// ValidateInitialization implements the InitializationValidator interface.
+func (a *GenericAdmissionWebhook) ValidateInitialization() error {
 	if a.hookSource == nil {
 		return fmt.Errorf("the GenericAdmissionWebhook admission plugin requires a Kubernetes client to be provided")
 	}
diff --git a/staging/src/k8s.io/apiserver/pkg/admission/plugins.go b/staging/src/k8s.io/apiserver/pkg/admission/plugins.go
index 5ddfc7e1f84..172ac337b34 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/plugins.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/plugins.go
@@ -156,18 +156,18 @@ func (ps *Plugins) InitPlugin(name string, config io.Reader, pluginInitializer P
 
 	pluginInitializer.Initialize(plugin)
 	// ensure that plugins have been properly initialized
-	if err := Validate(plugin); err != nil {
+	if err := ValidateInitialization(plugin); err != nil {
 		return nil, err
 	}
 
 	return plugin, nil
 }
 
-// Validate will call the Validate function in each plugin if they implement
-// the Validator interface.
-func Validate(plugin Interface) error {
-	if validater, ok := plugin.(Validator); ok {
-		err := validater.Validate()
+// ValidateInitialization will call the InitializationValidate function in each plugin if they implement
+// the InitializationValidator interface.
+func ValidateInitialization(plugin Interface) error {
+	if validater, ok := plugin.(InitializationValidator); ok {
+		err := validater.ValidateInitialization()
 		if err != nil {
 			return err
 		}
diff --git a/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/delete.go b/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/delete.go
index f2416d54a26..0bc5a659b55 100644
--- a/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/delete.go
+++ b/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/delete.go
@@ -104,7 +104,7 @@ func DeleteResource(r rest.GracefulDeleter, allowsOptions bool, scope RequestSco
 				}
 			}
 			if validatingAdmission, ok := admit.(admission.ValidationInterface); ok {
-				if err := validatingAdmission.ValidatingAdmit(attrs); err != nil {
+				if err := validatingAdmission.Validate(attrs); err != nil {
 					scope.err(err, w, req)
 					return
 				}
@@ -192,7 +192,7 @@ func DeleteCollection(r rest.CollectionDeleter, checkBody bool, scope RequestSco
 		if validatingAdmission, ok := admit.(admission.ValidationInterface); ok && validatingAdmission.Handles(admission.Delete) {
 			userInfo, _ := request.UserFrom(ctx)
 
-			err = validatingAdmission.ValidatingAdmit(admission.NewAttributesRecord(nil, nil, scope.Kind, namespace, "", scope.Resource, scope.Subresource, admission.Delete, userInfo))
+			err = validatingAdmission.Validate(admission.NewAttributesRecord(nil, nil, scope.Kind, namespace, "", scope.Resource, scope.Subresource, admission.Delete, userInfo))
 			if err != nil {
 				scope.err(err, w, req)
 				return
diff --git a/staging/src/k8s.io/apiserver/pkg/registry/rest/create.go b/staging/src/k8s.io/apiserver/pkg/registry/rest/create.go
index 2950f61364c..1f998332e9c 100644
--- a/staging/src/k8s.io/apiserver/pkg/registry/rest/create.go
+++ b/staging/src/k8s.io/apiserver/pkg/registry/rest/create.go
@@ -174,6 +174,6 @@ func AdmissionToValidateObjectFunc(admit admission.Interface, staticAttributes a
 		if !validatingAdmission.Handles(finalAttributes.GetOperation()) {
 			return nil
 		}
-		return validatingAdmission.ValidatingAdmit(finalAttributes)
+		return validatingAdmission.Validate(finalAttributes)
 	}
 }
diff --git a/staging/src/k8s.io/apiserver/pkg/registry/rest/update.go b/staging/src/k8s.io/apiserver/pkg/registry/rest/update.go
index 63672e7786e..aaee5800c29 100644
--- a/staging/src/k8s.io/apiserver/pkg/registry/rest/update.go
+++ b/staging/src/k8s.io/apiserver/pkg/registry/rest/update.go
@@ -252,6 +252,6 @@ func AdmissionToValidateObjectUpdateFunc(admit admission.Interface, staticAttrib
 		if !validatingAdmission.Handles(finalAttributes.GetOperation()) {
 			return nil
 		}
-		return validatingAdmission.ValidatingAdmit(finalAttributes)
+		return validatingAdmission.Validate(finalAttributes)
 	}
 }
diff --git a/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission.go b/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission.go
index 51c81861516..e0d1dc671c1 100644
--- a/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission.go
+++ b/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission.go
@@ -84,8 +84,8 @@ func (d *DisallowFlunder) SetInternalWardleInformerFactory(f informers.SharedInf
 	d.lister = f.Wardle().InternalVersion().Fischers().Lister()
 }
 
-// Validate checks whether the plugin was correctly initialized.
-func (d *DisallowFlunder) Validate() error {
+// ValidaValidateInitializationte checks whether the plugin was correctly initialized.
+func (d *DisallowFlunder) ValidateInitialization() error {
 	if d.lister == nil {
 		return fmt.Errorf("missing fischer lister")
 	}
diff --git a/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission_test.go b/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission_test.go
index 1b449abbb4a..5b08387b0e7 100644
--- a/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission_test.go
+++ b/staging/src/k8s.io/sample-apiserver/pkg/admission/plugin/banflunder/admission_test.go
@@ -119,7 +119,7 @@ func TestBanflunderAdmissionPlugin(t *testing.T) {
 			}
 			targetInitializer.Initialize(target)
 
-			err = admission.Validate(target)
+			err = admission.ValidateInitialization(target)
 			if err != nil {
 				t.Fatalf("scenario %d: failed to initialize banflunder admission plugin due to =%v", index, err)
 			}
diff --git a/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/interfaces.go b/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/interfaces.go
index 93a095b6f85..f5c6e41579b 100644
--- a/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/interfaces.go
+++ b/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/interfaces.go
@@ -24,5 +24,5 @@ import (
 // WantsInternalWardleInformerFactory defines a function which sets InformerFactory for admission plugins that need it
 type WantsInternalWardleInformerFactory interface {
 	SetInternalWardleInformerFactory(informers.SharedInformerFactory)
-	admission.Validator
+	admission.InitializationValidator
 }
diff --git a/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/wardleinitializer_test.go b/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/wardleinitializer_test.go
index 9c306e315eb..221876a617c 100644
--- a/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/wardleinitializer_test.go
+++ b/staging/src/k8s.io/sample-apiserver/pkg/admission/wardleinitializer/wardleinitializer_test.go
@@ -52,7 +52,7 @@ func (self *wantInternalWardleInformerFactory) SetInternalWardleInformerFactory(
 }
 func (self *wantInternalWardleInformerFactory) Admit(a admission.Attributes) error { return nil }
 func (self *wantInternalWardleInformerFactory) Handles(o admission.Operation) bool { return false }
-func (self *wantInternalWardleInformerFactory) Validate() error                    { return nil }
+func (self *wantInternalWardleInformerFactory) ValidateInitialization() error      { return nil }
 
 var _ admission.Interface = &wantInternalWardleInformerFactory{}
 var _ wardleinitializer.WantsInternalWardleInformerFactory = &wantInternalWardleInformerFactory{}