'Decorum' definitions:

Definition of 'decorum'

From: WordNet
noun
Propriety in manners and conduct [syn: decorum, decorousness] [ant: indecorousness, indecorum]

Definition of 'Decorum'

From: GCIDE
  • Decorum \De*cor"um\, n. [L. dec[=o]rum, fr. dec[=o]rus. See Decorous.] Propriety of manner or conduct; grace arising from suitableness of speech and behavior to one's own character, or to the place and occasion; decency of conduct; seemliness; that which is seemly or suitable. [1913 Webster]
  • Negligent of the duties and decorums of his station. --Hallam. [1913 Webster]
  • If your master Would have a queen his beggar, you must tell him, That majesty, to keep decorum, must No less beg than a kingdom. --Shak.
  • Syn: Decorum, Dignity.
  • Usage: Decorum, in accordance with its etymology, is that which is becoming in outward act or appearance; as, the decorum of a public assembly. Dignity springs from an inward elevation of soul producing a corresponding effect on the manners; as, dignity of personal appearance. [1913 Webster]