| peaceable(adjective, calm, quiet, kind, smooth) |
| sober(adjective, calm, cool, easy, relaxed) |
| controlled(adjective, quiet, gentle, reserved, composed) |
| mellow(adjective, calm, quiet, cool, weak) |
| relaxed(adjective, calm, quiet, cool, moderate) |
| unagitated(adjective, calm, quiet, relaxed, casual) |
| demure(adjective, calm, quiet, cool, gentle) |
| inert(adjective, calm, dull, quiet, smooth) |
| motionless(adjective, calm, quiet, cool, smooth) |
| nonchalant(adjective, calm, quiet, cool, mild) |
| phlegmatic(adjective, calm, quiet, cool, smooth) |
| poised(adjective, calm, quiet, cool, moderate) |
| restrained(adjective, quiet, gentle, aloof, reserved) |
| silent(adjective, calm, quiet, smooth, restrained) |
| steady(adjective, calm, quiet, cool, smooth) |
| bland(adjective, calm, quiet, cool, weak) |
| fair(adjective, calm, clear, smooth, bright) |
| kind(noun, adjective, quiet, cool, smooth) |
| level-headed(adjective, calm, smooth, steady, casual) |
| meek(adjective, calm, quiet, cool, kind) |