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16 points
CHAPERONE is validvalid
to escort to maintain propriety [v CHAPERONED, CHAPERONES, CHAPERONING]
(French) a person who ensures propriety, esp. a married or older woman accompanying a young unmarried woman on social occasions [n -S] / to act as a chaperone, also CHAPERON [v CHAPERONED, CHAPERONING, CHAPERONES]