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: 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 authenticated and …

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

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

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

Aug 27, 2025 · 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

to establish the authorship or origin of conclusively or unquestionably, chiefly by the techniques of scholarship: to authenticate a painting. to make authoritative or valid.

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