Plural of comity; instances of courtesy, civility, and mutual respect, especially between nations or groups.
From comity, derived from Latin comitas 'courtesy, friendliness,' related to comes 'companion.' The word evolved to mean the pleasant reciprocity nations extend to each other.
International law actually has a principle called 'comity of nations'—it's the idea that countries should be nice to each other's laws and court decisions even when they're not required to be. It's basically 'we'll respect your customs if you respect ours,' and it keeps the world from devolving into total legal chaos.
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