What is the meaning of Affirmation?

That which is affirmed; a declaration that something is true.

A solemn pledge (to tell the truth, to bear allegiance, etc.), legally equivalent to an oath, taken by people who are forbidden to take a religious oath (such as Quakers) or otherwise prefer not to do so.

A form of self-forced meditation or repetition; autosuggestion.

affirmation

affirmation

Source: wiktionary.org