<p><strong>Noun</strong></p><ul><li>a belief or judgment that rests on grounds insufficient to produce complete certainty.</li><li>Synonyms: impression, idea, notion, persuasion.</li><li>a personal view, attitude, or appraisal.</li><li>the formal expression of a professional judgment: to ask for a second medical opinion.</li><li>Law: the formal statement by a judge or court of the reasoning and the principles of law used in reaching a decision of a case.</li><li>a judgment or estimate of a person or thing with respect to character, merit, etc.: to forfeit someone's good opinion.</li><li>Archaic: a favorable estimate; esteem: I haven't much of an opinion of him.</li></ul>