To set free; liberate, as from slavery; hence, to free or release from custody, bad habits, or any restraint.To make free of a state, city, or corporation; admit to the privileges of a freeman or citizen; admit to citizenship.Specifically To confer the electoral franchise upon; admit to the right of voting or taking part in public elections: as, to enfranchise a class of people; to enfranchise (in Great Britain) a borough or a university.To endenizen; naturalize.Synonyms Manumit, Liberate, etc. See emancipate.The feudal law, to free from the obligations of feudal tenure, as to convert a copyhold estate into a freehold.