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.

CONFIRM definition: 1. to make an arrangement or meeting certain, often by phone or writing: 2. to prove that a belief…. Learn more.

CONFIRM definition: to establish the truth, accuracy, validity, or genuineness of; corroborate; verify. See examples of confirm used in a sentence.

If you confirm an arrangement or appointment, you say that it is definite, usually in a letter or email or on the phone. You make the reservation, and I'll confirm it in writing. [VERB noun]

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

These verbs mean to establish or support the truth, accuracy, or genuineness of something. Confirm implies the establishment of certainty or conviction: The information confirmed our worst suspicions.

When you make sure something is set, or firm, you confirm it. The word comes from the Latin con- "together, altogether," and firmāre "make firm," so confirm originally meant roughly "to make …

To prove the truth, validity, or authenticity of; verify. To reaffirm the establishment of (a reservation or advance arrangement). To make firm; strengthen; establish; encourage. To make valid by formal …

to establish the truth of (something); verify: The secretary would not confirm the reports.[~ + that clause] confirmed that my client was there at the time of the murder.

CONFIRM meaning: 1 : to state or show that (something) is true or correct; 2 : to tell someone that something has definitely happened or is going to happen to make (something) definite or official