| spread out(verb, expression, take, cover, increase) |
| stiffen(verb, support, increase, sustain, uphold) |
| stretch(verb, take, cover, increase, open) |
| supplement(verb, support, take, cover, increase) |
| support(verb, increase, improve, sustain, uphold) |
| sustain(verb, support, increase, improve, uphold) |
| sweeten(verb, increase, develop, continue, extend) |
| tack on(verb, expression, increase, open, develop) |
| temper(strengthen, harden) |
| toughen(verb, support, increase, boost, sustain) |
| unfold(verb, take, cover, increase, open) |
| unfurl(verb, take, cover, increase, open) |
| unroll(verb, take, cover, increase, open) |
| whet(verb, increase, raise, severe, boost) |
| widen(verb, take, cover, increase, open) |
| accelerate |
| accent(verb, increase, raise, severe, boost) |
| accentuate(verb, increase, raise, severe, boost) |
| add(verb, increase, improve, strengthen, attach) |
| add fuel(verb, expression, increase, raise, severe) |