Found 2 items, similar to decorousness.
English → English (WordNet)
Definition: decorousness
decorousness
n : propriety in manners and conduct [syn: 
decorum] [ant: 
indecorum,
indecorum]
English → English (gcide)
Definition: Decorousness
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.
[1913 Webster]
A decorous pretext the war. --Motley.
-- 
De*co"rous*ly, adv. -- 
De*co"rous*ness, n.
[1913 Webster]