| unruffled(adjective, calm, quiet, cool, smooth) |
| untroubled(adjective, calm, quiet, cool, smooth) |
| concealed(verb, personal, concealed, confidential, hush-hush) |
| confidential(adjective, special, intimate, secret, private) |
| dim(adjective, quiet, weak, gentle, restrained) |
| hidden(verb, personal, concealed, confidential, hush-hush) |
| low-key(adjective, quiet, cool, smooth, gentle) |
| mum(adjective, quiet, soft, low, still) |
| private(adjective, mild, shy, stable, peaceful) |
| shushed(verb, adjective, silenced) |
| tempered(adjective, quiet, gentle, restrained) |
| unagitated(adjective, calm, peaceful, unconcerned, tranquil) |
| undisturbed(adjective, calm, quiet, cool, smooth) |
| weak(adjective, pale, faded) |
| whist(adjective, close, quiet, smooth, soft) |
| assuaged(verb, pacified) |
| at rest(expression, adjective, calm, quiet, smooth) |
| becalmed |
| buttoned up(expression, adjective, close, quiet, smooth) |
| chastened(quiet, gentle, restrained) |