n. a level of quality, achievement, etc., that is considered acceptable or desirable
n. standards : ideas about morally correct and acceptable behavior
n. something that is very good and that is used to make judgments about the quality of other things
adj. regularly and widely used, seen, or accepted : not unusual or special
adj. generally accepted and used because of high quality or excellence
adj. accepted and used by most of the educated speakers and writers of a language