The American Heritage® Dictionary of the English Language, 4th Edition
n. Appropriateness of behavior or conduct; propriety: "In the Ireland of the 1940's ... the stolidity of a long, empty, grave face was thought to be the height of decorum and profundity” ( John McGahern).
n. The conventions or requirements of polite behavior: the formalities and decorums of a military funeral.
n. The appropriateness of an element of an artistic or literary work, such as style or tone, to its particular circumstance or to the composition as a whole.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. Propriety of speech, behavior, or dress; formal politeness; orderliness; seemliness; decency.
n. In general, fitness, suitableness, or propriety of anything, with respect to occasion, purpose, or use.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. propriety in manners and conduct
Word Usage
"(world, from an attention to what it calls decorum; and the preferable nature of truth and sincerity) Tj"