'affirmation' definitions:

Definition of 'affirmation'

From: WordNet
noun
A statement asserting the existence or the truth of something [syn: avowal, avouchment, affirmation]
noun
The act of affirming or asserting or stating something [syn: affirmation, assertion, statement]
noun
(religion) a solemn declaration that serves the same purpose as an oath (if an oath is objectionable to the person on religious or ethical grounds)
noun
A judgment by a higher court that the judgment of a lower court was correct and should stand [ant: reversal]

Synonyms of 'affirmation'

From: Moby Thesaurus