Decorous /(dĕk"ō̇r*ŭs [or] dē̇*kō"rŭs; 277)/

Dec·or·ous

Decorous

a.
  1. 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.