When it comes to managing finances, paying bills is an unavoidable responsibility. However, there are multiple ways to refer to the act of paying a bill. Some common synonyms for "pay one bill" include "settle a bill," "clear a payment," "discharge a debt" and "satisfy an obligation." Other options include "remunerate," "compensate," and "recompense." Additionally, you could say "make a payment," "fulfill a commitment," or "meet a financial obligation." Regardless of the phrasing you use, the act of paying a bill is an important task to keep your financial life in good standing.