The Collaborative International Dictionary of English v.0.48:
Gastronomic \Gas`tro*nom"ic\, Gastronomical \Gas`tro*nom"ic*al\, a. [Cf. F. gastronomique.] Pertaining to gastromony. [1913 Webster]WordNet (r) 3.0 (2006):
gastronomical adj 1: of or relating to gastronomy; "gastronomic adventures" [syn: gastronomic, gastronomical]