152 entries under peaceful topic. ×

4
reconciled(verb, adjective, calm, tranquil)
4
self-contained(adjective, close, quiet, cool, gentle)
3
kind(adjective, calm, quiet, cool, smooth)
3
levelheaded(adjective, calm, quiet, cool, reasonable)
3
possessed(adjective, calm, quiet, cool, easy)
3
reasonable(adjective, calm, quiet, easy, sensible)
3
relaxing(adjective, calm, secure, soft, pleasant)
3
stable(adjective, calm, quiet, smooth, soft)
2
amiable(adjective, calm, quiet, cool, kind)
2
bland(adjective, calm, quiet, cool, kind)
2
docile(adjective, calm, quiet, kind, smooth)
2
harmonious(adjective, calm, quiet, cool, smooth)
2
inscrutable(adjective, quiet, cool, moderate, gentle)
2
listless(adjective, calm, quiet, cool, moderate)
2
non-aggressive
2
pleasant(adjective, calm, quiet, light, secure)
2
remote(adjective, shy, stable, unconcerned)
2
undemonstrative(quiet, gentle, aloof, reserved)
2
unflustered(adjective, calm, cool, steady, detached)
1
agreeable(adjective, calm, quiet, secure, smooth)
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APASmart Define. (2015). serene thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/serene/thesaurus/synonyms
ChicagoSmart Define. 2015. "serene thesaurus" https://smartdefine.org/serene/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, serene thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/serene/thesaurus/synonyms>.
MLASmart Define. "serene thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/serene/thesaurus/synonyms>