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.

Confirm implies the establishment of certainty or conviction: The information confirmed our worst suspicions. To corroborate something is to strengthen or uphold the evidence that supports it: The …

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.

To establish or verify the truth, accuracy, or validity of something. See example sentences, synonyms, and etymology for the verb confirm.

to prove or verify; show to be true or correct. The results appear to confirm the experimenter's theory. Do you have any evidence to confirm your statement? to certify formally; validate. The airline confirmed …

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