Decorum is defined as appropriate, polite behavior in society.(noun)
An example of decorum is to show good table manners.
See decorum in Webster's New World College Dictionary
Origin: L, neut. of decorus, fit, proper < decor: see décor
See decorum in American Heritage Dictionary 4
Origin: Latin decōrum
Origin: , from decōrus, becoming, handsome; see decorous.
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