Third-person singular simple present indicative form of smooth.(verb)
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Use "smooths" in a sentence
"She's popular because she kind of smooths out some of the rougher edges of the administration, which Republican strategists think that may help with female and independent voters."
"The Witcher 2's new combat system "smooths" those mechanics, while "guarantee [ing] a greater variety of tactical possibilities.""
"She smooths ruffled feathers calmly and quickly because these are all things she has done before."