The term 'KEEP BUSY' can be broken down into three crossword solutions: AMUSE (5 letters), PLY (3 letters), and TIEUP (5 letters). The term 'KEEP BUSY' implies that one should stay occupied with activities, and these three solutions provide a variety of ways to do so. 'AMUSE' suggests entertaining oneself with enjoyable activities, such as playing games or watching movies. 'PLY' suggests engaging in a task or activity with dedication and focus, such as working on a project or learning a new skill. Finally, 'TIEUP' suggests taking on a responsibility or obligation, such as volunteering or helping out a friend. All three solutions provide different ways to stay busy and productive.