Sureness, certainty.
Something that is a certainty.
A strongly held conviction, opinion or belief.
The act of persuading, or trying to do so; the addressing of arguments to someone with the intention of changing their mind or convincing them of a certain point of view, course of action etc.
Another personal, animal or inanimate trait that is not (very) liable to be changed by persuasion, such as sex, gender, ethnicity, origin, profession or nature.
One's ability or power to influence someone's opinions or feelings; persuasiveness.
An argument or other statement intended to influence one's opinions or beliefs; a way of persuading someone.
A specified religious adherence, a creed; any school of thought or ideology.