The crossword solution for the term 'requiring assembly' is APART, which is a five-letter word. This term is used to describe something that needs to be put together or assembled in order to be complete. It can refer to physical objects such as furniture or electronics, or it can refer to tasks that need to be completed in order to achieve a goal. In either case, the term 'APART' implies that the object or task needs to be put together in order to be fully functional.