Avowal
Part of speech: noun
Definition: An open declaration of affirmation or admission of knowledge.
Affirmation
Part of speech: noun
Definition: A declaration that something is true; an oath.A form of self-forced meditation or repetition; autosuggestion.
Example sentence: You will be a failure, until you impress the subconscious with the conviction you are a success. This is done by making an affirmation which 'clicks.'