authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.

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

If you authenticate something, you state officially that it is genuine after examining it. He says he'll have no problem authenticating the stamp. [VERB noun] All the antiques have been …

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

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

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

Dec 14, 2025 · authenticate (third-person singular simple present authenticates, present participle authenticating, simple past and past participle authenticated) (transitive) To render authentic; …

Experts authenticated the painting. The signature has been authenticated.

When you authenticate something, you establish that it’s the real thing. If you authenticate a painting, for example, you’re sure that it's an original work, not a copy.

authenticate meaning, definition, what is authenticate: to prove that something is true or real: Learn more.