n. 25B6; noun
he behaves with the utmost propriety : DECORUM, respectability, decency, correctness, protocol, appropriateness, suitability, good manners, courtesy, politeness, rectitude, morality, civility, modesty, demureness; sobriety, refinement, discretion.
he was careful to preserve the proprieties in public : ETIQUETTE, convention(s), social grace(s), niceties, one's Ps and Qs, protocol, standards, civilities, formalities, accepted behaviour, good form, the done thing, the thing to do, punctilio.
indecorum.