| relieve(verb, calm, quiet, cool, settle) |
| restrain(verb, control, quiet, beat, check) |
| restrict(quiet, restrain, suppress, repress, silence) |
| retard(verb, dull, quiet, diminish, abate) |
| run down |
| salve |
| satisfy(verb, calm, subdue, relax, soothe) |
| say nothing(verb, expression, calm, dull, quiet) |
| sedate(verb, calm, quiet, cool, settle) |
| settle down(verb, expression, phrasal verb, calm, dull) |
| simmer down(verb, expression, quiet, cool, settle) |
| sit on(verb, expression, phrasal verb, calm, dull) |
| slack(verb, calm, quiet, subdue, relax) |
| slacken(verb, calm, ease, diminish, decrease) |
| slow(verb, dull, quiet, diminish, impair) |
| smooth(verb, calm, quiet, subdue, relax) |
| smooth down(verb, expression, calm, quiet, help) |
| smother(verb, dull, quiet, diminish, subdue) |
| soft pedal |
| square(verb, calm, quiet, cool, subdue) |