The Collaborative International Dictionary of English v.0.48:
lexical \lex"ic*al\ (l[e^]ks"[i^]*kal), a. Of or pertaining to a lexicon, to lexicography, or words; according or conforming to a lexicon. -- Lex"ic*al*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
lexically adv 1: by means of words; "lexically represented"