| reinforce(verb, advance, increase, raise, rise) |
| snowball(verb, advance, increase, develop, raise) |
| supplement(verb, take, cover, advance, increase) |
| sustain(verb, advance, maintain, continue, stay) |
| temporize(lateness, diuturnity) |
| abide(verb, advance, maintain, continue, stay) |
| aggravate(verb, advance, increase, raise, rise) |
| balloon(increase, swell, mount, soar, bloat) |
| beef up(expression, take, cover, increase, open) |
| bloat(verb, set, cover, increase, open) |
| build(verb, advance, increase, develop, raise) |
| build up(verb, expression, advance, increase, raise) |
| carry forward(expression, advance, maintain, continue, stay) |
| carry on(verb, expression, take, cover, advance) |
| cover(go, set, increase, open, develop) |
| diffuse(verb, set, cover, increase, open) |
| drag(verb, extend, prolong, elongate) |
| drawl |
| eke |
| elevate(verb, increase) |