Synonyms of tranquil

1 Syllable

tame, low, calms, still, soft, smooth, mild, cool, calm, hushed

2 Syllables

sober, halcyon, restful, soothing, stormless, windless, stable, easy, patient, calmer, smoothed, placid, stiller, even, stilling, lenient, balmy, smoother, pleasing, smoothing, indoor, calmest, smoothest, stillest, poised, stilled, gentle

3 Syllables

unflurried, serene, peaceful, waveless, equable, pastoral, easy-going, comforting, neutralist, composed, whispering, unanxious, stay-at-home, home-loving, sedate, peaceable, forbearant, nerveless, possessed, murmuring, irenic, hang-loose, outgiving, domestic, easygoing, relaxed, unruffled, untroubled, collected, pacific, unfazed, unvexed, measured, agreeable, frictionless

4 Syllables

unflustered, unexcited, unsurprised, reposeful, temperate, pacifical, mirrorlike, mild-tempered, uncomplaining, moderate, undisturbed, unperturbed, pacifistic, amicable, peace-loving, peaceloving, reasonable, peacemaking, placatory, mild-mannered, sedative, self-possessed, unthreatening, equanimous

5 Syllables

paradisiacal, unagitated, even-tempered, unexcitable, imperturbable, unperturbable, domiciliary

6 Syllables

pacificatory