The crossword solution for the term 'take in, say' is ALTER. To ALTER something means to change it in some way, usually by making small modifications. This could be done to a physical object, such as altering a piece of clothing, or to an idea, such as altering a plan. In this context, the term 'take in, say' could refer to altering something to make it fit better, or to changing an idea to make it more suitable.