There are several synonyms for the term 'early payment'. Some of these include 'prepayment', 'advance payment', 'prompt payment', 'quick payment', 'timely payment', and 'expedited payment'. These terms all refer to the act of paying a debt or bill before it is due, often as a means of receiving a discount or avoiding fees for late payment. While each of these synonyms has a slightly different connotation, they are all useful for describing the act of paying bills or debts in a timely and responsible manner. Whether you choose to use 'early payment' or one of its many synonyms, the importance of paying bills on time cannot be overstated.