The term 'more expansive' can be described by two crossword solutions: 'wider' (5 letters) and 'BROADER' (7 letters). Both words refer to something that is larger in size or scope. Wider implies a greater distance between two points, while BROADER implies a greater range of something. Both words are often used to describe physical objects, but they can also be used to describe abstract concepts such as knowledge, understanding, and experience.