DECENCY Copy link • DECENCYFitness, decentia. Propriety, decor: decorum: modestia (modest, well-bred behavior, opposed to immodestia): to observe the rules of decency, decorum sequi, servare, tenere or custodire: to study the rules of decency in anything, in aliqua re quid deceat, considerare, or videre: to have a sense of decency, quid deceat, sentire: anything is against the rules of decency, turpe est aliquid: to forget the rules of decency, decoris oblivisci.