| civilian |
| clammed up(expression, adjective, calm, quiet, smooth) |
| clear(adjective, calm, weak, smooth, soft) |
| clear-headed(adjective, calm, quiet, reasonable, sensible) |
| clement(adjective, calm, weak, kind, smooth) |
| cloistered |
| close-mouthed(adjective, calm, quiet, smooth, tranquil) |
| closed(adjective, calm, quiet, smooth, tranquil) |
| cold(adjective, calm, sensible, dark, restrained) |
| compatible |
| complacent(easygoing, compliant, peace-loving) |
| congenial |
| considerate(adjective, calm, quiet, cool, soft) |
| constrained(adjective, calm, quiet, reasonable, sensible) |
| cozy(friendly, polite, cordial, harmonious, good-natured) |
| cultivated(adjective, calm, quiet, cool, soft) |
| deathlike(adjective, calm, quiet, smooth, tranquil) |
| deathly(adjective, calm, quiet, smooth, tranquil) |
| deathly quiet(expression, adjective, calm, quiet, smooth) |
| deathly still(expression, adjective, calm, quiet, smooth) |