authenticator

Definition of Authenticator in English :

1. appraiser, authenticator

one who determines authenticity (as of works of art) or who guarantees validity

WordNet Lexical Database for English. Princeton University. 2010.

Authenticator

verb (transitive)

1.

to establish as genuine or valid

2.

to give authority or legal validity to

verb transitiveWord forms: auˈthentiˌcated or auˈthentiˌcating

1.

to make authentic or valid

2.

to establish the truth of; verify

3.

to prove to be genuine or as represented

tr.v. au·then·ti·cat·ed, au·then·ti·cat·ing, au·then·ti·cates

To establish the authenticity of; prove genuine: a specialist who authenticated the antique samovar. See Synonyms at confirm.