The Collaborative International Dictionary of English v.0.48:

Lexigraphic \Lex`i*graph"ic\ (l[e^]ks"[i^]*gr[a^]f"[i^]k), a.
   [Cf. F. lexigraphique.]
   Of or pertaining to lexigraphy.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "lexigraphic":
   abecedarian, allographic, alphabetic, capital, conjugate,
   derivative, echoic, etymologic, graphemic, ideographic, lettered,
   lexical, lexicographic, lexicologic, literal, logogrammatic,
   logographic, lower-case, majuscule, minuscular, minuscule,
   onomastic, onomatologic, onomatopoeic, paronymic, paronymous,
   pictographic, transliterated, uncial, upper-case