The term 'KEEP DOWN' can be summarized by two crossword solutions: 'OPPRESS' (7 letters) and 'LIMIT' (5 letters). 'OPPRESS' means to keep down by unjust use of authority or power, while 'LIMIT' means to restrict or confine within certain bounds. Both words imply a sense of control over another person or group of people. In this context, 'keep down' implies a form of subjugation or domination, where one party is attempting to maintain power over another.