| laid-back(adjective, quiet, cool, moderate, gentle) |
| nerveless(adjective, calm, cool, steady, unaffected) |
| poker-faced(adjective, calm, cool, detached, blank) |
| quiescent(adjective, quiet, cool, still, peaceful) |
| sober minded(expression, idiom, excitability) |
| temperate(adjective, calm, quiet, cool, smooth) |
| unconcerned(adjective, calm, quiet, cool, moderate) |
| unenthusiastic |
| unhurried |
| untroubled(adjective, calm, quiet, cool, moderate) |
| abstract(adjective, calm, detached, sober, unfeeling) |
| agreeable(adjective, calm, quiet, smooth, easy) |
| along for the ride(expression, adjective, idiom, calm, dull) |
| amiable(adjective, quiet, cool, moderate, gentle) |
| amicable(adjective, calm, quiet, cool, moderate) |
| assured(adjective, calm, cool, steady, unaffected) |
| at ease(expression, adjective, calm, quiet, easy) |
| at peace(expression, adjective, calm, quiet, cool) |
| balmy(adjective, calm, quiet, easy, mild) |
| blah(adjective, calm, dull, flat, detached) |