The imprest system is a popular accounting method used by businesses to manage petty cash. However, there are several synonyms for this term that can be used interchangeably depending on the context. Some of the most common synonyms include cash float, petty cash system, and cash on hand. In addition to these, other related terms that are often used to describe this system include fund accounting, account reconciliation, and cash management. No matter which term is used, the goal is the same - to maintain accurate records of all cash transactions within a business in order to prevent fraud, theft, or other financial losses.