v. t. - to assert or confirm, as a judgment, decree, or order, brought before an appellate court for review.
v. t. - To assert positively; to tell with confidence; to aver; to maintain as true; -- opposed to deny.
v. t. - To declare, as a fact, solemnly, under judicial sanction. See Affirmation, 4.
v. i. - To declare or assert positively.
v. i. - To make a solemn declaration, before an authorized magistrate or tribunal, under the penalties of perjury; to testify by affirmation.