120 entries under moderate topic. ×

6
improve(verb, calm, quiet, help, fix)
6
lenient(adjective, calm, dull, quiet, weak)
6
mitigate(verb, calm, quiet, help, reduce)
6
palliate(verb, calm, quiet, help, reduce)
6
sweet-tempered(adjective, calm, appearance, taste)
5
ameliorate(verb, calm, quiet, help, reduce)
5
help(verb, calm, reduce, promote, ease)
5
simplify(verb, calm, quiet, help, reduce)
4
alleviate(verb, calm, quiet, help, reduce)
4
expedite(verb, calm, quiet, help, reduce)
4
slight(adjective, calm, dull, clear, light)
4
slow(adjective, calm, quiet, light, cool)
4
temperate(adjective, calm, quiet, light, cool)
3
affable(adjective, calm, pleasant, gentle)
3
assist(verb, calm, quiet, help, reduce)
3
comfort(verb, calm, quiet, help, reduce)
3
cultivated(adjective, calm, tender, mild)
3
disburden(verb, calm, quiet, help, reduce)
3
disengage(verb, calm, quiet, help, reduce)
3
further(verb, calm, quiet, help, reduce)
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APASmart Define. (2015). smooth thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/smooth/thesaurus/synonyms
ChicagoSmart Define. 2015. "smooth thesaurus" https://smartdefine.org/smooth/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, smooth thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/smooth/thesaurus/synonyms>.
MLASmart Define. "smooth thesaurus" 23 December 2015. Web. 25 September 2026. <https://smartdefine.org/smooth/thesaurus/synonyms>