| censor(verb, close, quiet, restrain, suppress) |
| check(verb, quiet, keep, restrain, suppress) |
| choke off(verb, expression, phrasal verb, calm, dull) |
| clam(verb, calm, dull, quiet, suppress) |
| clammed up(expression, close, quiet, gag, quieten) |
| clamming up(expression, calm, close, quiet, subdue) |
| clamp down on(verb, expression, idiom, close, quiet) |
| compose(verb, calm, subdue, relax, satisfy) |
| conceal(verb, keep, suppress, refuse, deny) |
| console(verb, calm, subdue, relax, satisfy) |
| constrain(verb, close, keep, suppress, refuse) |
| cool out(verb, expression, phrasal verb, calm, quiet) |
| cork(verb, close, quiet, restrain, suppress) |
| crack down on(verb, expression, idiom, close, quiet) |
| curb(verb, quiet, keep, restrain, suppress) |
| cut off(verb, expression, phrasal verb, calm, dull) |
| cut short(verb, expression, calm, dull, quiet) |
| dampen(verb, calm, dull, quiet, suppress) |
| deaden(verb, calm, dull, quiet, suppress) |
| decrease the volume(verb, expression, idiom, calm, dull) |