imagine vs opine

imagine and opine both are verbs.

Word	Noun	Adjective	Verb	Adverb
imagine	No	No	Yes	No
opine	No	No	Yes	No

As verbs, imagine and opine are synonyms defined as:

Other synonyms of imagine include guess, reckon, suppose, think.

imagine (verb)	opine (verb)
expect, believe, or suppose	expect, believe, or suppose
form a mental image of something that is not present or that is not the case	express one's opinion openly and without fear or hesitation