Source : Webster's Revised Unabridged Dictionary (1913)

Mythologic \Myth`o*log"ic\, Mythological \Myth`o*log"ic*al\, a.
   [L. mythologicus: cf. F. mytholigique.]
   Of or pertaining to mythology or to myths; mythical;
   fabulous. -- {Myth`o*log"ic*al*ly}, adv.

Source : WordNet®

mythologic
     adj : based on or told of in traditional stories; lacking factual
           basis or historical validity; "mythical centaurs"; "the
           fabulous unicorn" [syn: {fabulous}, {mythic}, {mythical},
            {mythological}]