95 entries under easygoing topic. ×

2
not turn a hair(expression, adjective, idiom, calm, relaxed)
2
repressed(adjective, calm, relaxed, serene)
2
self-assured(adjective, calm, relaxed, serene)
2
sensible(adjective, calm, reasonable, relaxed, restrained)
2
submissive(adjective, calm, quiet, kind, smooth)
2
unwarlike(peaceful, compliant, peace-loving)
1
accommodating(adjective, calm, quiet, gentle, informal)
1
calmed(adjective, calm, relaxed, serene)
1
clearheaded(adjective, calm, relaxed, serene)
1
commonsensical(adjective, calm, relaxed, restrained)
1
complacent(adjective, calm, quiet, cool, mild)
1
diplomatic(kind, gentle, polite, compliant)
1
disimpassioned(adjective, calm, cool, relaxed, steady)
1
docile(adjective, calm, quiet, kind, smooth)
1
mild-tempered(adjective, calm, quiet, gentle, restrained)
1
peace-loving(calm, quiet, friendly, compliant)
1
philosophic(adjective, calm, quiet, gentle, restrained)
1
quieted(adjective, calm, relaxed, serene)
1
soothed(adjective, calm, relaxed, serene)
1
suppressed(adjective, calm, relaxed, serene)
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APASmart Define. (2016). tranquil thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tranquil/thesaurus/synonyms
ChicagoSmart Define. 2016. "tranquil thesaurus" https://smartdefine.org/tranquil/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, tranquil thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tranquil/thesaurus/synonyms>.
MLASmart Define. "tranquil thesaurus" 3 March 2016. Web. 24 September 2026. <https://smartdefine.org/tranquil/thesaurus/synonyms>