The Collaborative International Dictionary
Institutive
Institutive \In"sti*tu`tive\, a.
Tending or intended to institute; having the power to establish.
--Barrow.Established; depending on, or characterized by, institution or order. ``Institutive decency.''
--Milton.
Wiktionary
institutive
a. 1 Tending or intended to institute; having the power to establish. 2 Established; depending on, or characterized by, institution or order.