Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb smoothen

3 senses of smoothen

Sense 1
smooth, smoothen -- (make smooth or smoother, as if by rubbing; "smooth the surface of the wood")
       => change surface -- (undergo or cause to undergo a change in the surface)

Sense 2
polish, smooth, smoothen, shine -- (make (a surface) shine; "shine the silver, please"; "polish my shoes")
       => fancify, beautify, embellish, prettify -- (make more beautiful)

Sense 3
smoothen -- (become smooth)
       => change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night")