The Collaborative International Dictionary of English v.0.48:

Gamic \Gam"ic\, a. [Gr. ? marriage.] (Biol.)
   Pertaining to, or resulting from, sexual connection; formed
   by the union of the male and female elements.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "gamic":
   amorous, carnal, erogenic, erogenous, erotic, erotogenic, fleshly,
   gametic, heterosexual, libidinal, nuptial, oversexed, potent,
   procreative, seminal, sensual, sex, sexed, sexlike, sexual, sexy,
   spermatic, spermatozoal, spermatozoan, spermatozoic, spermic,
   sporal, sporogenous, sporoid, sporous, straight, undersexed,
   venereal, voluptuous