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"courteous" is also used as a crossword clue. If that's what you saw, the answer is often civil (5 letters).
Definitions
characterized by courtesy and gracious good manners
Word origin
From Middle English curteis, from Old French curteis (French courtois), from cort (“court”). By surface analysis, court + -eous.
Used in a sentence
“a courteous gentleman a courteous gesture”
“Nectar ran / In courteous fountains to all cups outreach'd; / And plunder'd vines, teeming exhaustless, pleach'd / New growth about each shell and pendent lyre; [...]”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Civil and kind”9 letters
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