axio-, axi-

1. A self-evident or universally recognized truth; a maxim; a saying which is widely accepted on its own merits.
2. An established rule, a principle, or a law.
3. A self-evident principle or one that is accepted as true without proof as the basis for argument; a postulate.
4. A basic proposition of a system that, although unproven, is used to prove the other propositions in the system.

1. A reference to or of the nature of an axiom; self-evident; obvious.
2. Evident without proof or argument.

1. Having the nature of an axiom; self-evident; characterized by axioms.
2. By the use of axioms; in the form of an axiom; such as, a statement or principle which is generally accepted to be true, but is not necessarily so.
3. A formal statement or principle in mathematics, science, etc., from which other statements can be obtained.