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

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 indisputable fact.

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

If you authenticate something, you prove or confirm that it is true. Unfortunately, the map that might have authenticated the tale was lost in Canada. [VERB noun] There have now been well authenticated …

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.

Jan 14, 2026 · authenticate (third-person singular simple present authenticates, present participle authenticating, simple past and past participle authenticated) (transitive) To render authentic; to give …

authenticate (ɔːˈθɛntɪˌkeɪt) vb (tr) 1. to establish as genuine or valid 2. to give authority or legal validity to

Authenticate refers to the act of verifying or confirming the identity, accuracy, or legitimacy of someone or something. This process is typically used in various fields such as technology, arts, or legal …

Experts authenticated the painting. The signature has been authenticated.