dec·o·rous /ˈdɛkɚ/
 (a.)有禮貌的,高雅的,端正的


 Dec·or·ous a.  Suitable to a character, or to the time, place, and occasion; marked with decorum; becoming; proper; seemly; befitting; as, a decorous speech; decorous behavior; a decorous dress for a judge.
    A decorous pretext the war.   --Motley.
 -- De*co*rous*ly, adv. -- De*co*rous*ness, n.

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 decorous
      adj 1: characterized by propriety and dignity and good taste in
             manners and conduct; "the tete-a-tete was decorous in
             the extreme" [ant: indecorous]
      2: according with custom or propriety; "her becoming modesty";
         "comely behavior"; "it is not comme il faut for a
         gentleman to be constantly asking for money"; "a decent
         burial"; "seemly behavior" [syn: becoming, comely, {comme
         il faut, decent, seemly]