| resuscitate |
| revive |
| rise(verb, increase, develop, extend, swell) |
| sharpen |
| snap out of it(expression, idiom, stimulate, animate, inspire) |
| snap up |
| souped up(verb, expression, continue, boost, mount) |
| spark(verb, stimulate, cheer, animate, revive) |
| spice(verb, stimulate, cheer, animate, revive) |
| spice up(verb, expression, phrasal verb, stimulate, cheer) |
| spread(verb, increase, develop, extend, swell) |
| spruce up(expression, trim, ornament, embellish, decorate) |
| start up(expression, stimulate, excite, boost, strengthen) |
| stretch(verb, increase, develop, extend, swell) |
| sustain(verb, support, stimulate, excite, boost) |
| swell(verb, increase, develop, extend, grow) |
| switch on(verb, expression, phrasal verb, see, stimulate) |
| trigger(stimulate, excite, boost, strengthen, animate) |
| trim(ornament, embellish, adorn, beautify, bedizened) |
| triple |