Source : Webster's Revised Unabridged Dictionary (1913)

Eponymic \Ep`o*nym"ic\, a.
   Same as {Eponymous}.

         Tablets . . . which bear eponymic dates. --I. Taylor
                                                  (The
                                                  Alphabet).

Source : WordNet®

eponymic
     adj : being or relating to or bearing the name of an eponym [syn:
           {eponymous}]