| advance(verb, support, increase, develop, promote) |
| clean(verb, clear, open, release, free) |
| clear(verb, clear, release, press, free) |
| distill(verb, clean, pure, drain, condense) |
| finish(verb, close, change, end, increase) |
| sift(verb, clean, drain, penetrate, riddle) |
| Polish |
| complicate(verb, produce, improve, explain, expand) |
| smooth(verb, develop, press, complete, finish) |
| upgrade(verb, advance, increase, develop, raise) |
| concentrate |
| decontaminate(verb, clear, clean, condense, clarify) |
| depurate(verb, clear, arrange, clean, organize) |
| disinfect(verb, clear, arrange, clean, organize) |
| down |
| edulcorate(verb, clear, arrange, clean, organize) |
| emend(verb, change, advance, increase, develop) |
| fine-tune(verb, change, correct, alter, amend) |
| hone(verb, develop, complete, finish, improve) |
| optimize |