The term "redemption date" refers to the date on which a bond or a financial security can be redeemed or bought back by the issuer at face value. There are several synonyms for this term, including "maturity date," which refers to the date on which a loan or debt obligation must be repaid in full. Another synonym is "expiration date," which is the date on which an option or a futures contract expires and must be either exercised or abandoned. "Renewal date" and "rollover date" are also synonyms for redemption date, particularly when referring to loans or credit lines that must be renewed or refinanced at regular intervals.