Verb smoothen has 3 senses
  1. smooth, smoothen - make smooth or smoother, as if by rubbing; "smooth the surface of the wood"
    --1 is one way to change surface
    Sample sentences:
    Somebody ----s something
    Something ----s something
  2. polish, smooth, smoothen, shine - (of surfaces) make shine; "shine the silver, please"; "polish my shoes"
    --2 is one way to beautify, embellish, prettify
    Sample sentence:
    They smoothen the glass tubes
  3. smoothen - become smooth
    --3 is one way to
    change
    Sample sentence:
    Something ----s
,
TOP