| brilliant(adjective, successful) |
| buttoned up(expression, adjective, calm, quiet, smooth) |
| carefree |
| clammed up(expression, adjective, calm, quiet, smooth) |
| cloistered |
| close-mouthed(adjective, calm, quiet, smooth, tranquil) |
| closed(adjective, calm, quiet, smooth, tranquil) |
| collected(adjective, calm, quiet, cool, smooth) |
| comforting(adjective, calm, quiet, easy, mild) |
| composed(adjective, calm, quiet, cool, smooth) |
| concordant |
| constant(calm, quiet, friendly, serene) |
| cool-headed(adjective, quiet, cool, still, peaceful) |
| cozy |
| 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) |
| distinguished(adjective, successful) |
| docile(adjective, calm, moderate, tender, mild) |