| silent(adjective, quiet, smooth, soft, reticent) |
| soothing(adjective, quiet, smooth, gentle, mild) |
| unflappable(adjective, calm, characteristic, quiet, cool) |
| genial(adjective, weak, smooth, soft, pleasant) |
| imperturbable(adjective, calm, characteristic, quiet, cool) |
| carefree(adjective, relaxed, feature, state, characteristic) |
| comfortable(adjective, calm, quiet, light, smooth) |
| clement(adjective, calm, mild, smooth, gentle) |
| level(adjective, characteristic, quiet, gentle, flat) |
| nonbelligerent(adjective, serene, characteristic, friendly, calmness) |
| orderly(adjective, state, harmony, peace, quiet) |
| satisfied(adjective, feature, state, calm, quiet) |
| steady(adjective, quiet, gentle, flat, level) |
| sunny(adjective, feature, state, weak, smooth) |
| unworried(adjective, state, feature, characteristic, trait) |
| even-tempered(adjective, calm, quiet, easy, mild) |
| idyllic(adjective, calm, simple, pleasant, perfect) |
| sober(adjective, characteristic, calm, quiet, easy) |
| amiable(adjective, good, quiet, soft, pleasant) |
| reposeful(adjective, cool, smooth, mild, quiet) |