Affirm

Webster's Dictionary of the English Language

·vi To declare or assert positively.

II. Affirm ·vt To declare, as a fact, solemnly, under judicial sanction. ·see Affirmation, 4.

III. Affirm ·vt to assert or confirm, as a judgment, decree, or order, brought before an appellate court for review.

IV. Affirm ·vt To assert positively; to tell with confidence; to Aver; to maintain as true;

— opposed to deny.

V. Affirm ·vi To make a solemn declaration, before an authorized magistrate or tribunal, under the penalties of perjury; to testify by affirmation.