opinionate1
/əˈpɪnjəneɪt/ /əˈpɪnjənət/adjective
Holding obstinately to one's own opinion; opinionated.
Origin
Mid 16th century (in an earlier sense). From opinion + -ate.
opinionate2
/əˈpɪnjəneɪt/verb
1 [with object] To hold as an opinion; = opine, opinion; to believe, suppose, think.
2 [no object] To form, hold, or give an opinion.
3 [with object] (refl.). To be or become possessed of a (particular) opinion. Now chiefly in past participle: see opinionated.
4 [no object] To state or deliver an opinion formally; = opine. rare.
Origin
Late 16th century; earliest use found in Thomas Nashe (d. c1601), writer. From opinion + -ate, perhaps after Middle French opinionner.