| sit on(verb, expression, calm, dull, quiet) |
| strike dumb(expression, calm, dull, quiet, suppress) |
| tongue-tie(verb, calm, dull, quiet, suppress) |
| benumb(verb, reduce, moderate, subdue, soften) |
| bottle up(expression, subdue, dampen, muffle) |
| cork up(verb, expression, moderate, subdue, dampen) |
| drown(verb, subdue, soften, dampen, muffle) |
| dummy up(verb, expression, calm, dull, quiet) |
| gag(verb, calm, dull, quiet, moderate) |
| hush(verb, calm, dull, quiet, suppress) |
| lower(verb, reduce, moderate, subdue, soften) |
| moderate(verb, subdue, soften, dampen, muffle) |
| muffle(verb, calm, dull, quiet, suppress) |
| mute(verb, calm, dull, quiet, suppress) |
| muzzle(verb, calm, dull, quiet, moderate) |
| put damper on(verb, expression, idiom, reduce, moderate) |
| put the lid on(verb, expression, idiom, moderate, subdue) |
| quash(verb, calm, dull, quiet, suppress) |
| quell(verb, calm, dull, quiet, suppress) |
| quiet(verb, calm, dull, suppress, subdue) |