Smoothen

v. t.

1.

To make smooth.

Verb	1.	smoothen - make smooth or smoother, as if by rubbing; "smooth the surface of the wood" Synonyms: smooth
	2.	smoothen - (of surfaces) make shine; "shine the silver, please"; "polish my shoes" Synonyms: polish, smooth, shine
	3.	smoothen - become smooth

change surface, file, float, launch, plane, rake, rub, sand, sandblast, sandpaper, smooth, strip