The crossword solutions for the term ALTER; CHANGE are VARY (4 letters). The term ALTER; CHANGE is used to describe the act of making a difference or modification to something. This could be a physical change, such as altering the shape of an object, or a mental change, such as changing one's opinion. Varying something is a way of altering it, by making small changes or differences to it. This could be done to improve the quality of something, or to make it more interesting.