chaperone - definition and synonyms

verb [transitive] 

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/ˈʃæpərəʊn/
present tense
I/you/we/theychaperone
he/she/itchaperones
present participlechaperoning
past tensechaperoned
past participlechaperoned
present tense
I/you/we/theychaperon

or chaperon 

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  1. to go somewhere with a young woman or group of children as their chaperone