Smooth
Smooth verb - To free from obstruction or difficulty.
Tranquillize and smooth are semantically related In some cases you can use "Tranquillize" instead a verb "Smooth".
Tranquillize
Tranquillize verb - Make calm or still.
Smooth and tranquillize are semantically related in activity topic. Sometimes you can use "Smooth" instead a verb "Tranquillize".
Cite this Source
Tranquillize and Smooth. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/smooth/tranquillize
Smooth & Tranquillize. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/smooth/tranquillize>.
Tranquillize or Smooth. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/smooth/tranquillize.
Google Ngram Viewer shows how "smooth" and "tranquillize" have occurred on timeline