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"polite" is also used as a crossword clue. If that's what you saw, the answer is often respectful (10 letters).
Definitions
showing regard for others in manners, speech, behavior, etc.
Word origin
From Latin polītus (“polished”), past participle of poliō (“to polish, smooth”); see polish.
Used in a sentence
“It's not polite to use a mobile phone in a restaurant.”
“Try and be polite to Auntie Maria for once.”
“He marries, bows at court, and grows polite.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“showing manners”6 letters
02“Well-mannered”6 letters
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