Settling a debt is the process of paying back money that is owed to another person or entity. The five crossword solutions for the term 'settle a debt' are 'REPAY, ' 'PAY, ' 'payup, ' 'REMIT, ' and 'ponyup.' REPAY is a 5-letter word meaning to PAY back money that is owed. PAY is a 3-letter word meaning to give money in exchange for goods or services. Payup is a 5-letter word meaning to PAY what is due. REMIT is a 5-letter word meaning to send money, usually as payment. Ponyup is a 6-letter word meaning to PAY up, usually in a large amount.