Webster’s Revised Unabridged Dictionary · 1913
Axiomatic
Ax′i·o·mat′ic, Ax′i·o·mat′ic·al, a. [Gr. ?.] Of or pertaining to an axiom; having the nature of an axiom; self-evident; characterized by axioms. "Axiomatical truth." Johnson.
The stores of axiomatic wisdom. I. Taylor.