Avowal (noun)

A formal or public declaration or admission of something, particularly one's beliefs or actions.

Origin:

From the old french avoer, meaning "to acknowledge".

Examples:

1. His avowal of his guilt was a surprise to the court.
2. The avowal of her love was a big step for her.
3. The avowal of the company's responsibility for the accident was a relief to the victims.
4. The avowal was a sign of his honesty.
5. The avowal of the truth was a brave act.