To act the part of a matron toward; to superintend or chaperone.(verb)
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Use "matronize" in a sentence
"a girl as any of the party which she was nominally to "matronize;" but"
"Lambskin, who might, from the gravity and dignity of her appearance, have sufficed to matronize a whole boarding-school, instead of one maiden lady of eighty and upwards."
"There were seven of us: my sister Sarah, who was to matronize the party; Miss Bessie; three of her girl friends; the Rev. Thomas Conrad Porter, then a Presbyterian pastor in Macon, but later"