Gerund functioning as a noun meaning the act of affirming.
Translations
affirmationAction ou fait d'affirmer qu'une chose est vraie. The constant affirming of his innocence eventually swayed public opinion.
L'affirmation constante de son innocence a fini par influencer l'opinion publique.
assertionEmployé dans un registre plus analytique ou formel. The act of affirming or asserting that something is true. The constant affirming of his innocence eventually swayed public opinion.