The term 'make wider' can be expressed in several ways, each with a different number of letters. The 6-letter solution is 'DILATE, ' which means to expand or enlarge something. The 7-letter solutions are 'BROADEN, ' which means to make something wider, and 'DISTEND, ' which means to swell or stretch out. The 5-letter solution is 'WIDEN, ' which also means to make something wider. All of these terms refer to the same concept of making something wider.