The Collaborative International Dictionary of English v.0.48:
Philological \Phil`o*log"ic*al\, Philologic \Phil`o*log"ic\, a. [Cf. F. philologique.] Of or pertaining to philology. -- Phil`o*log"ic*al*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
philological adj 1: of or relating to or dealing with philology