60 entries under serene topic. ×

15
easygoing(adjective, calm, feature, state, trait)
15
equable(adjective, characteristic, calm, quiet, soft)
14
easy(adjective, feature, state, calm, quiet)
14
hushed(adjective, calm, quiet, smooth, mild)
13
collected(adjective, calm, characteristic, quiet)
13
soft(adjective, quiet, gentle, mild, calm)
13
moderate(adjective, calm, quiet, smooth, soft)
12
unperturbed(adjective, characteristic, calm, state, quiet)
12
contented(adjective, feature, state, calm, quiet)
12
friendly(adjective, state, person, harmony, peace)
12
soothing(adjective, quiet, smooth, gentle, mild)
11
level(adjective, characteristic, quiet, gentle, flat)
11
nonbelligerent(adjective, characteristic, friendly, calmness)
11
steady(adjective, quiet, gentle, flat, level)
10
at peace(expression, adjective, state, harmony, peace)
10
harmonious(adjective, friendly, state, cool, smooth)
10
mellow(adjective, friendly, calm, quiet, smooth)
9
nonviolent(adjective, quiet, friendly, peaceable)
9
pacifistic(adjective, characteristic, calm, quiet)
9
lenient(adjective, calm, quiet, weak, smooth)
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APASmart Define. (2016). peaceful thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/peaceful/thesaurus/synonyms
ChicagoSmart Define. 2016. "peaceful thesaurus" https://smartdefine.org/peaceful/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, peaceful thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/peaceful/thesaurus/synonyms>.
MLASmart Define. "peaceful thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/peaceful/thesaurus/synonyms>