Settle a bill is a phrase used to describe the process of paying an amount of money that is owed. The three crossword solutions for this term are PAY, REMIT, and PAYUP. PAY is a 3 letter word meaning to give money in exchange for goods or services. REMIT is a 5 letter word meaning to send money, especially as a payment. PAYUP is also a 5 letter word meaning to PAY a debt or obligation. All three words can be used to describe the action of settling a bill.