The term 'CONTROL AND MAKE USE OF' can be summarized by the crossword solution 'HARNESS, ' which is a seven-letter word. Harnessing is the act of controlling and making use of something, such as energy or resources. It is often used in reference to controlling and utilizing natural forces, such as wind or water, for power. In addition, harnessing can also refer to controlling and utilizing technology, such as computers or machines, for a specific purpose.