| impassive(adjective, calm, quiet, cool, relaxed) |
| self-controlled(adjective, calm, quiet, relaxed, casual) |
| steady(adjective, calm, quiet, cool, smooth) |
| unagitated(adjective, calm, quiet, relaxed, restrained) |
| balmy(adjective, calm, quiet, clear, kind) |
| inactive(adjective, quiet, cool, smooth, slow) |
| soothing(adjective, calm, quiet, cool, smooth) |
| unexcited(adjective, calm, quiet, cool, relaxed) |
| unflappable(adjective, calm, quiet, cool, smooth) |
| agreeable(adjective, calm, quiet, smooth, moderate) |
| good-natured(adjective, calm, kind, smooth, soft) |
| hushed(adjective, calm, quiet, cool, smooth) |
| level-headed(adjective, calm, cool, smooth, steady) |
| orderly(adjective, calm, smooth, steady, temperate) |
| pastoral(adjective, calm, quiet, cool, smooth) |
| reposeful(adjective, quiet, cool, smooth, slow) |
| staid(adjective, calm, cool, relaxed, easygoing) |
| subdued(adjective, calm, quiet, kind, smooth) |
| cool-headed(adjective, quiet, cool, still, peaceful) |
| detached(adjective, calm, quiet, cool, mild) |