The term 'usual procedure' is often used to refer to a CUSTOM or routine that is regularly followed. In this context, the crossword solution for the term 'usual procedure' is 'CUSTOM, ' which is a six-letter word. CUSTOM is defined as a traditional practice or set of beliefs that are passed down from generation to generation. It is also used to describe something that is made or done to meet a particular need or requirement. CUSTOM is often used to refer to a specific way of doing something that has been established over time.