To hold or form an opinion about; to hold as one's opinion, think, consider, suppose. Also: to express… transitive. With clause (esp. that-clause)…

To put forward, promulgate; to advance (an opinion).

transitive. To express as an opinion; to use as the basis for forming an opinion. Obsolete.

figurative. To give utterance to, to put forward, advance (an opinion, etc.).

To expend or employ (labour, material, thought, etc.) in some specified way. To express (an opinion). Now dialect.

Originally U.S. to put on (also upon) record: to have (one's comments, views, opinions, etc.) recorded officially or for posterity; (reflexive) =…

transitive. Of words or writings: to express or proclaim (a person's opinion, emotion, etc.).