Lewis Short
(adjective) : dispŭtātīvus, a, um, disputo
* Pertaining to a dispute: intentiones,Cassiod. Hist. Eccl. 9, 19.—Adv.: dispŭtā-tīve, in the way of discussion or dispute: dicere aliquid,ib. 5, 42.
Charlton T. Lewis, Charles Short, A Latin Dictionary