Lexical

a. [f. Gr. λεξικ-ός pertaining to words, λεξικ-όν LEXICON + -AL.]

  1.  Pertaining or relating to the words or vocabulary of a language. Often contrasted with grammatical.

1836.  Cardl. Wiseman, Sci. & Relig., I. ii. 71. These methods may be respectively called, lexical and grammatical comparison.

1864.  Pusey, Lect. Daniel, viii. 512. The grammatical and lexical peculiarities … which establish its late date.

1873.  Whitney, Orient. Stud., 7. The language of the Vedas is an older dialect varying both in its grammatical and lexical character from the classical Sanskrit.

  2.  Pertaining to, of the nature of, or connected with a lexicon.

1873.  Brit. Q. Rev., LVII. 602. All the most important grammatical, exegetical, and lexical works have been laid under tribute.

1885.  Academy, 3 Oct., 217/2. Lexical defining affords a wide scope for the application of the critical apparatus. Ibid., 432/2. The lexical index is, we think, too long.

1892.  F. S. Ellis (title), A Lexical Concordance to the Poetical Works of Percy Bysshe Shelley.

  So Lexicalic a. rare = prec. 1.

1860.  Marsh, Lect. Eng. Lang., 141. The new element does not much affect the lexicalic character, but exhibits itself in the structure, the inflections and the syntax.