de·cen·cy /ˈdisṇsi/
 得體,禮貌,正派
 De·cen·cy n.; pl. Decencies
 1. The quality or state of being decent, suitable, or becoming, in words or behavior; propriety of form in social intercourse, in actions, or in discourse; proper formality; becoming ceremony; seemliness; hence, freedom from obscenity or indecorum; modesty.
    Observances of time, place, and of decency in general.   --Burke.
 Immodest words admit of no defense,
 For want of decency is want of sense.   --Roscommon.
 2. That which is proper or becoming.
    The external decencies of worship.   --Atterbury.
 Those thousand decencies, that daily flow
 From all her words and actions.   --Milton.
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 decency
      n 1: the quality of conforming to standards of propriety and
           morality [ant: indecency]
      2: the quality of being polite and respectable