150 entries under moderate topic. ×

6
ameliorate(verb, calm, quiet, help, clear)
6
facilitate(verb, support, calm, quiet, help)
6
free(verb, calm, quiet, help, clear)
6
relax(verb, calm, quiet, help, reduce)
6
slacken(verb, calm, drop, quiet, help)
6
weaken(verb, drop, dull, cut, check)
5
tone down(verb, expression, calm, dull, check)
4
dilute(verb, decline, reduce, ease)
4
disengage(verb, calm, quiet, help, clear)
4
dull(verb, check, reduce, release, ease)
4
still(verb, calm, quiet, help, reduce)
3
appease(verb, calm, dull, quiet, help)
3
blunt(verb, calm, dull, check, ease)
3
break(verb, reduce, release, ease)
3
check(verb, drop, dull, cut, decline)
3
curb(verb, drop, quiet, cut, decline)
3
extenuate(verb, dull, cover, check, reduce)
3
help(verb, support, calm, quiet, reduce)
3
improve(verb, calm, quiet, help, reduce)
3
lift(verb, calm, quiet, help, reduce)
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APASmart Define. (2015). lighten thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "lighten thesaurus" https://smartdefine.org/lighten/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lighten thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lighten/thesaurus/synonyms>.
MLASmart Define. "lighten thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/lighten/thesaurus/synonyms>