There are many synonyms for the phrase "pays one's bill," depending on the context and tone of the situation. Some common words and phrases that can be used in place of paying a bill include settling up, covering the cost, paying off, clearing the balance, balancing the books, and meeting one's financial obligations. Other possibilities include footing the bill, taking care of expenses, paying in full, fulfilling payments, and even squaring up. No matter which term is used, the act of paying one's bill is an important part of maintaining financial responsibility and keeping one's financial standing in good order.