/af'euhr may"sheuhn/ , n.
1. the act or an instance of affirming; state of being affirmed.
2. the assertion that something exists or is true.
3. something that is affirmed; a statement or proposition that is declared to be true.
4. confirmation or ratification of the truth or validity of a prior judgment, decision, etc.
5. Law. a solemn declaration accepted instead of a statement under oath.
[ 1535-45; affirmation- (s. of affirmatio ), equiv. to affirmat ( us ) (ptp. of affirmare to AFFIRM) + -ion- -ION ]