The Collaborative International Dictionary
Inflective \In*flect"ive\, a.
Capable of, or pertaining to, inflection; deflecting; as, the inflective quality of the air.
--Derham.-
(Gram.) Inflectional; characterized by variation, or change in form, to mark case, tense, etc.; subject to inflection.
Inflective language (Philol.), a language like the Greek or Latin, consisting largely of stems with variable terminations or suffixes which were once independent words. English is both agglutinative, as, manlike, headache, and inflective, as, he, his, him. Cf. Agglutinative.
Wiktionary
a. 1 (context grammar English) inflectional; characterized by variation, or change in form, to mark case, tense, etc.; subject to inflection. 2 Capable of, or relating to, inflection; deflecting.