The term 'make smooth, in a way' can be solved by three different crossword solutions: IRON (4 letters), SHAVE (5 letters), and FILE (4 letters). Ironing is a process of using a heated tool to press fabric and remove wrinkles. Shaving is the process of using a razor to remove hair from the body. Filing is the process of using a metal tool to shape and smooth the edges of an object. All three processes involve making something smooth in some way.