verify

To demonstrate the truth or accuracy of, as by the presentation of evidence: synonym: confirm.

To attest to the truth of (something) formally or under oath.

To make a formal verification in support of (a pleading).

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.