Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb opine
2 senses of opine
Sense 1
opine, speak up, speak out, animadvert, sound off -- (express one's opinion openly and without fear or hesitation; "John spoke up at the meeting")
=> declare -- (state emphatically and authoritatively; "He declared that he needed more money to carry out the task he was charged with")
Sense 2
think, opine, suppose, imagine, reckon, guess -- (expect, believe, or suppose; "I imagine she earned a lot of money with her new novel"; "I thought to find her in a bad state"; "he didn't think to find her in the kitchen"; "I guess she is angry at me for standing her up")
=> expect, anticipate -- (regard something as probable or likely; "The meteorologists are expecting rain for tomorrow")