confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or …

AUTHENTICATE definition: 1. to prove that something is real, true, or what people say it is: 2. to prove, especially using…. Learn more.

Authenticate definition: to establish as genuine.. See examples of AUTHENTICATE used in a sentence.

If you authenticate something, you state officially that it is genuine after examining it. He says he'll have no problem authenticating the stamp.

Definition of authenticate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Aug 27, 2025 · authenticate (third-person singular simple present authenticates, present participle authenticating, simple past and past participle authenticated) (transitive) To render authentic; …

Authenticate definition: To establish the authenticity of; prove genuine.