| smooth down(verb, expression, calm, quiet, help) |
| snore |
| speechlessness(noun, calm, quiet, speech, still) |
| spit |
| stay(noun, verb, stop, calm, break) |
| steady(verb, quiet, cool, settle, soothe) |
| strangle(verb, stop, hold, restrain, curb) |
| strike dumb(verb, expression, calm, dull, quiet) |
| stroke(verb, calm, quiet, help, cool) |
| taciturnity(calm, quiet, speech, silence, softness) |
| throttle(verb, hold, restraint) |
| tire(dull, quiet, decline, fall, fail) |
| tone down(verb, expression, dull, quiet, diminish) |
| tongue-tie(verb, calm, dull, quiet, restrain) |
| tranquillise |
| turn down(verb, expression, subdue, dampen, muffle) |
| turn off(verb, expression, phrasal verb, break, close) |
| untroubledness(noun, calm, quiet, calmness, serenity) |
| withhold(verb, concealment) |
| Hold your tongue(expression, idiom, interjection) |