[1] : The Collaborative International Dictionary of English v.0.48

lexical \lex"ical\ le^ks"i^kal, a.
   of or pertaining to a lexicon, to lexicography, or words;
   according or conforming to a lexicon. -- lex"ically, adv.
   1913 webster
see also:
lex"ically 

[2] : WordNet (r) 2.0

lexical
     adj 1: of or relating to words; "lexical decision task"
     2: of or relating to dictionaries

[3] : Moby Thesaurus II by Grady Ward, 1.0

24 moby thesaurus words for "lexical":
   conjugate, derivative, echoic, etymologic, glossematic, iconic,
   lexemic, lexicographic, lexicologic, lexigraphic, morphemic,
   onomastic, onomatologic, onomatopoeic, paronymic, paronymous,
   phrasal, semantic, semantological, semasiological, sememic,
   semiotic, symbolic, verbal

Lexical >> L Words
Lexical, definition of term: Lexical
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Lexical Analysi >> L Words
Lexical Analysi, definition of term: Lexical Analysi
lexical+analysi_pag1.html