adj. Conjectural; expressing an opinion rather than a fact.
adj. Opinionated, maintaining one's position stubbornly.
the GNU version of the Collaborative International Dictionary of English
adj. Obstinate in holding opinions; opinionated.
The Century Dictionary and Cyclopedia
Opinionated; obstinate in maintaining one's opinions.
Word Usage
"Use thine opinative faculty with all honour and respect, for in her indeed is all: that thy opinion do not beget in thy understanding anything contrary to either nature, or the proper constitution of a rational creature."