axiomatic
     adj 1: evident without proof or argument; "an axiomatic truth"; "we
            hold these truths to be self-evident" [syn: {self-evident},
             {taken for granted(p)}]
     2: containing aphorisms or maxims; "axiomatic wisdom" [syn: {aphoristic}]
     3: of or relating to or derived from axioms; "axiomatic
        physics"; "the postulational method was applied to
        geometry"- S.S.Stevens [syn: {axiomatical}, {postulational}]
Source: WordNet® 2.0