To prove to be true; confirm; establish the proof of.To give the appearance of truth to.To fulfil, as a promise; confirm the truth of, as a prediction.To confirm the truthfulness of; prove to have spoken truth.To confirm or establish the authenticity of, as a title or power, by examination or competent evidence.To ascertain to be correct, or to correct if found erroneous: as, to verify a statement, quotation, reference, account, or reckoning of any kind; to verify the items of a bill, or the total amount.To maintain; affirm.To second or strengthen by aid; back; support the credit of.In law: To make an affidavit regarding (a pleading or petition), and appended to it, that the statements in it are true.To support by proof or by argument.