D defs.my
Entry 2 senses Webster, 1913

Institutive

· In·sti·tu·tive · IPA /ɪnˈstɪtjʊtɪv/
01 a. Tending or intended to institute; having the power to establish.
  1. 1.
    Tending or intended to institute; having the power to establish.
  2. 2.
    Established; depending on, or characterized by, institution or order.