noun confirmation of anything established; ratification; as, the affirmation of a law.
2. affirmation ·noun the act of affirming or asserting as true; assertion;
opposed to negation or denial.
3. affirmation ·noun that which is asserted; an assertion; a positive statement; an averment; as, an affirmation, by the vender, of title to property sold, or of its quality.
4. affirmation ·noun a solemn declaration made under the penalties of perjury, by persons who conscientiously decline taking an oath, which declaration is in law equivalent to an oath.