The term 'FIND A SECOND PURPOSE FOR' can be summarized by the crossword solution REUSE. REUSE is the practice of using an item more than once, or finding a new purpose for something that was originally intended for one purpose. This practice is often encouraged in order to reduce waste and conserve resources. REUSE is a key component of the 3Rs (Reduce, REUSE, Recycle) which are important strategies for sustainable living.