n. A judgment formed or a conclusion reached; especially, a judgment formed on evidence that does not produce knowledge or certainty; one's view of a matter; what one thinks, as distinguished from what one knows to be true.n. Specifically — The estimate which one forms regarding persons or things with reference to their character, qualities, etc.: as, to have a poor opinion of a man's honesty, or of the efficiency of some arrangement or contrivance; a poor opinion of one's self.n. Favorable judgment or estimate; estimation.n. Judgment or persuasion, held more or less intelligently or firmly; conviction: often in the plural: as, one's political opinions.n. A judgment or view regarded as influenced more by sentiment or feeling than by reason; especially, views so held by many at once, collectively regarded as constituting a social force which tends to control the minds of men and determine their action.n. Common notion or idea; belief.n. Rumor; report.n. A professional judgment on a case submitted for examination: as, a legal or medical opinion.n. Standing in the eyes of one's neighbors or society at large; reputation; especially, favorable reputation; credit.n. Dogmatism; opinionativeness.n. Synonyms Belief, Conviction, etc. (see persuasion); sentiment, notion, idea, view, impression.To think; opine.