10
at peace(expression, adjective, state, harmony, peace)
10
coolheaded(adjective, characteristic, state, quiet, simple)
10
glad(adjective, feature, state, pleasant, trait)
10
harmonious(adjective, friendly, state, cool, smooth)
10
harmonizing(verb, adjective, sweet, agreeable, sympathetic)
10
impassive(adjective, characteristic, quiet, cool, still)
10
mellow(adjective, friendly, calm, quiet, smooth)
9
jovial(adjective, feature, state, feeling, attitude)
9
nonviolent(adjective, quiet, friendly, serene, peaceable)
9
pacifistic(adjective, serene, characteristic, calm, quiet)
9
elated(adjective, pleasant, lively, wonderful, glad)
9
lenient(adjective, calm, quiet, weak, smooth)
9
pleased(adjective, quiet, cool, pleasant, lively)
9
unaggressive(adjective, characteristic, calmness, tranquillity, calm)
9
agreeable(adjective, calm, quiet, soft, pleasant)
9
content(adjective, smooth, relaxed, calm, quiet)
9
convivial(adjective, feature, state, good, feeling)
9
exultant(adjective, pleasant, lively, glad, merry)
9
joyful(adjective, feature, state, pleasant, trait)
9
joyous(adjective, feature, state, pleasant, trait)
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APASmart Define. (2016). peaceful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/peaceful/thesaurus/synonyms
ChicagoSmart Define. 2016. "peaceful thesaurus" https://smartdefine.org/peaceful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, peaceful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/peaceful/thesaurus/synonyms>.
MLASmart Define. "peaceful thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/peaceful/thesaurus/synonyms>