| comforting(adjective, calm, quiet, easy, mild) |
| commodious(adjective, calm, quiet, light, smooth) |
| commonsensical(adjective, calm, relaxed, tranquil, easygoing) |
| complacent(adjective, soft, happy, relaxed, agreeable) |
| conclusive(adjective, strong, easy, certain, definite) |
| controlled |
| cool as cucumber(expression, adjective, idiom, calm, relaxed) |
| cozy(adjective, calm, quiet, light, smooth) |
| cursive(adjective, calm, quiet, light, smooth) |
| cushy(adjective, calm, quiet, light, smooth) |
| definite(adjective, strong, easy, certain, confident) |
| degage |
| determined(adjective, strong, easy, solid, certain) |
| disimpassioned(adjective, calm, relaxed, tranquil, easygoing) |
| dispassionate(adjective, calm, relaxed, tranquil, easygoing) |
| drowsing(adjective, calm, quiet, dead, relaxing) |
| eager(adjective, cheerful, optimistic, rosy, expectant) |
| easeful(adjective, calm, quiet, light, smooth) |
| effortless(adjective, calm, quiet, light, smooth) |
| elated(adjective, cheerful, optimistic, rosy, expectant) |