Synonyms: confirmation, verification, substantiation, check
Definition: additional proof that something that was believed (some fact or hypothesis or theory) is correct
Usage: fossils provided further confirmation of the evolutionary theory
Similar words: proof, cogent evidence
Definition: any factual evidence that helps to establish the truth of something
Usage: if you have any proof for what you say, now is the time to produce it
Synonyms: verification
Definition: (law) an affidavit attached to a statement confirming the truth of that statement
Similar words: affidavit
Definition: written declaration made under oath; a written statement sworn to be true before someone legally authorized to administer an oath