1. 
[syn: fabulous, mythic, mythical, mythologic, mythological]
The Collaborative International Dictionary of English v.0.48:
Mythologic \Myth`o*log"ic\, Mythological \Myth`o*log"ic*al\, a.
   [L. mythologicus: cf. F. mytholigique.]
   1. Of or pertaining to mythology or to myths; as,
      mythological creatures. -- Myth`o*log"ic*al*ly, adv.
      [1913 Webster]
   2. based on or told of in traditional stories; lacking
      factual basis or historical validity; mythical; fabulous.
   Syn: fabulous, mythic, mythical.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
mythologic
    adj 1: based on or told of in traditional stories; lacking
           factual basis or historical validity; "mythical
           centaurs"; "the fabulous unicorn" [syn: fabulous,
           mythic, mythical, mythologic, mythological]