"smoothing" in the verb sense
1. smooth, smoothen
make smooth or smoother, as if by rubbing
"smooth the surface of the wood"
2. polish, smooth, smoothen, shine
make (a surface) shine
"shine the silver, please"
"polish my shoes"
3. smooth, smooth out
free from obstructions
"smooth the way towards peace negotiations"
Source: WordNet® (An amazing lexical database of English)
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