| at peace(expression, adjective, calm, quiet, cool) |
| balanced |
| balmy(adjective, calm, quiet, easy, relaxed) |
| been around twice(expression, adjective, idiom, cool, indifferent) |
| blase(adjective, calm, cool, relaxed, indifferent) |
| bored(adjective, cool, indifferent, sophisticated, apathetic) |
| callous(adjective, calm, restrained, unconcerned, subdued) |
| candid(adjective, calm, detached, sober, unfeeling) |
| careless(adjective, calm, cool, relaxed, detached) |
| chilly |
| civil(adjective, quiet, cool, moderate, gentle) |
| clear-headed(adjective, calm, quiet, reasonable, sensible) |
| cloyed(adjective, cool, indifferent, sophisticated, apathetic) |
| cold-fish(adjective, calm, detached, sober, unfeeling) |
| cold fish(expression, adjective, calm, restrained, unconcerned) |
| comforting(adjective, calm, quiet, easy, relaxed) |
| constrained(adjective, calm, quiet, reasonable, sensible) |
| contented(adjective, calm, quiet, mild, relaxed) |
| cool as cucumber(expression, adjective, idiom, quiet, cool) |
| cool cat(expression, adjective, calm, detached, sober) |