The definition of comity means politeness or mutual courtesy.
(noun)See comity in Webster's New World College Dictionary
noun pl. comities
Origin: ME comite, association < L comitas < comis, polite, kind; earlier cosmis, prob. < co- (see com-), with + *smi-s < IE base *smei-, to smile
See comity in American Heritage Dictionary 4
noun pl. com·i·ties
Origin:
Origin: Latin cōmitās
Origin: , from cōmis, friendly; see smei- in Indo-European roots
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