Synonym of authentic.

(transitive) To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.

Third-person singular simple present indicative form of authenticate

past participle of authenticate

plural of authenticator

plural of authenticity

One who authenticates. / A feature that shows something to be authentic. / (film, television) A person employed to check the accuracy and realism of a script.

present participle of authenticate

plural of authentication

The quality of being genuine or not corrupted from the original, of having the same origin (or attribution, commitment, intention, etc.) as claimed.