attest

1. (transitive) To affirm to be correct, true, or genuine.Examples: "When will the appraiser attest the date of the painting?"; "Dishonour not your Mothers: now attest that those whom you call'd Fathers, did beget you."; "[W]e have already ſeen many particular facts vvhich are recorded in holy vvrit, atteſted by particular Pagan Authors: […]"transitive

2. (transitive) To certify by signature or oath.Examples: "You must attest your will in order for it to be valid."transitive

3. (transitive) To certify in an official capacity.transitive

4. (ambitransitive) To supply or be evidence of.Examples: "Her fine work attested her ability."; "O pardon : since a crooked Figure may / Attest in little place a Million, / And let us, Cyphers to this great Accompt, / On your imaginarie Forces worke."; "The supplementary bibliography (in Vol. VI) attests to the comprehensiveness of the effort."ambitransitive

5. (transitive) To put under oath.transitive

6. (transitive, obsolete) To call to witness; to invoke.Examples: "The sacred streams which Heaven's imperial state / Attests in oaths, and fears to violate."obsoletetransitive