| down-to-earth(adjective, calm, sensible, dark, restrained) |
| drab(adjective, calm, sensible, dark, restrained) |
| dry(adjective, calm, cool, blank, aloof) |
| dull |
| earnest(adjective, calm, cool, sensible, dark) |
| easeful |
| easy-going(adjective, calm, quiet, smooth, gentle) |
| equal |
| eschewing(adjective, calm, sensible, dark, restrained) |
| fair(adjective, calm, still, detached, sober) |
| fiducial |
| forbearing(adjective, calm, quiet, gentle, restrained) |
| forgiving(adjective, calm, quiet, gentle, restrained) |
| forgoing(adjective, calm, sensible, dark, restrained) |
| halcyon(adjective, calm, quiet, cool, mild) |
| happy-go-lucky |
| hard-hearted(adjective, calm, cold, cruel, restrained) |
| hard as nails(expression, adjective, idiom, calm, cool) |
| heartless(adjective, cool, cold, cruel, blank) |
| iceberg(adjective, calm, detached, sober, unfeeling) |