The Collaborative International Dictionary
Opinative
Opinative \O*pin"a*tive\, a.
Obstinate in holding opinions; opinionated. [Obs.] --
O*pin"a*tive*ly, adv. [Obs.]
--Burton.
--Sir T. More.
Wiktionary
opinative
a. 1 conjectural; expressing an opinion rather than a fact. 2 (context obsolete English) opinionated, maintaining one's position stubbornly.