Source : Webster's Revised Unabridged Dictionary (1913)

Axiomatic \Ax`i*o*mat"ic\, Axiomatical \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.

Source : WordNet®

axiomatical
     adj : of or relating to or derived from axioms; "axiomatic
           physics"; "the postulational method was applied to
           geometry"- S.S.Stevens [syn: {axiomatic}, {postulational}]