adv.
有礼貌地, 高雅地

[ adv ]
in a proper and decorous manner
<adv.all>
he pretended to be pleased and applauded decorously

Decorous \Dec"or*ous\ (d[e^]k"[-o]r*[u^]s or d[-e]*k[=o]"r[u^]s;
277), a. [L. dec[=o]rus, fr. decor comeliness, beauty; akin
to decere. See {Decent}, and cf. {Decorum}.]
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.