1) Affirmation 2) Assent 1) Affirmation 
• (n.) Confirmation; ratification; confirmation of a voidable act. • (n.) A strong declaration; affirmation.
Af·firm'ance noun [ Confer Old French afermance .] 1. Confirmation; ratification; confirmation of a voidable act. « This statute . . . in affirmance of the common law. Bacon. » 2. A strong declaration; affirmation. Cowper. 
The confirmation of a voidable act; as, for example, when an infant enters into a contract, which is not binding upon him, if, after attaining his full age, he gives his affirmance to it, he will thereafter be bound, as if it had been made when of full age.
affirmation.