| choke back |
| classify |
| cloak(hide, conceal, retain) |
| confine(verb, hold, keep, block, delay) |
| conserve(verb, keep, maintain, hide, store) |
| cool(verb, control, check, restrain, crush) |
| cool off(verb, expression, close, check, gag) |
| cork(verb, stop, control, check, restrain) |
| cover(suppress, hide, conceal, retain) |
| cover up(verb, expression, phrasal verb, close, check) |
| dam |
| decelerate(verb, hold, keep, delay, impede) |
| detain(verb, hold, keep, block, delay) |
| deter(verb, stop, hold, check, keep) |
| disguise(suppress, hide, conceal, retain) |
| earmark(verb, assign, reserve, allocate) |
| forbear(verb, control, restrain, suppress, repress) |
| forgo(verb, decline, reject, refuse, renounce) |
| govern |
| guard(verb, sustain, protect) |