The abbreviation "S & L" typically refers to savings and loan institutions, which are financial institutions that specialize in accepting deposits and providing mortgage loans and other types of loans. Synonyms for "S & L" could include terms such as financial institution, bank, savings bank, credit union, or cooperative. These synonyms could be useful when discussing the various types of financial institutions that are available to consumers, and they could also be helpful when describing the differences between different types of banks and lenders. Additionally, these synonyms could come in handy when researching or comparing different types of financial products and services.