redeem

(verb) save from sins. Synonyms: deliver, save.

(verb) restore the honor or worth of.

(verb) to turn in (vouchers or coupons) and receive something in exchange.

(verb) exchange or buy back for money; under threat. Synonyms: ransom.

(verb) pay off (loans or promissory notes). Synonyms: pay off.

(verb) convert into cash; of commercial papers.