noun
suitableness, appropriateness
Synonyms: accordance, advisability, agreeableness, appositeness, aptness, becomingness, compatibility, concord, congruity, consonance, convenience, correctness, correspondence, decorum, ethicality, expedience, fitness, harmony, justice, legitimacy, meetness, morality, order, pleasantness, properness, recommendability, rectitude, respectability, rightness, seemliness, suitability
Antonyms: immorality, impropriety, inappropriateness, unsuitableness, wrong
noun
good manners
Synonyms: accepted conduct, amenities, breeding, civilities, correctness, courtesy, decency, decorum, delicacy, dignity, etiquette, good behavior, good form, modesty, mores, niceties, politeness, politesse, protocol, punctilio, rectitude, refinement, respectability, rules of conduct, seemliness, social conventions, social grace, the done thing
Antonyms: bad manners, impropriety, misbehavior, misconduct