1. very, considerably, easily, readily, fairly, quite, highly, rather
2. by no means, not readily
3. middle, half-way point
4. excellent, wonderful, very good
1. to advance, to go forward
2. to precede, to go ahead (of)
3. to make progress, to improve
4. to deepen, to heighten
5. to be fast (of a clock), to be ahead
6. to do of one's own free will