Source : Webster's Revised Unabridged Dictionary (1913)

Inchoative \In*cho"a*tive\ (?; 277), a. [L. inchoativus,
   incohativus: cf. F. inchoatif.]
   Expressing or pertaining to a beginning; inceptive; as, an
   inchoative verb. ``Some inchoative or imperfect rays.'' --W.
   Montagu. -- n. An inchoative verb. See {Inceptive}.

Source : WordNet®

inchoative
     adj : beginning to develop; "inchoative stages" [syn: {formative}]