| comfortable(adjective, calm, light, smooth, simple) |
| composure(noun, stop, calm, break, control) |
| deaden(verb, calm, dull, restrain, curb) |
| decrease(verb, calm, drop, control, cut) |
| dormant(adjective, calm, dull, sluggish, lazy) |
| gag(verb, calm, dull, restrain, finish) |
| homely(adjective, simple, soft, straightforward, shy) |
| inactivity(noun, calm, break, rest, recreation) |
| inconspicuous(adjective, slight, fine, thin, plain) |
| lenient(adjective, calm, dull, understanding, weak) |
| low-key(adjective, calm, dull, cool, reasonable) |
| mitigate(verb, calm, control, order, help) |
| pipe down(verb, expression, phrasal verb, calm, dull) |
| quiesce |
| relaxation(noun, stop, calm, break, pleasure) |
| repressed(adjective, gentle, property, restrained) |
| secret(adjective, calm, close, shy, peaceful) |
| speechless(adjective, close, soft, low, still) |
| stilly(adjective, calm, sounds) |
| uncommunicative(adjective, close, soft, low, restrained) |