acceleration (n.)
- accelerando
- aggravation
- blowup
- concentration
- condensation
- consolidation
- deepening
- drive
- enhancement
- exacerbation
- exaggeration
- explosion
- festination
- forwarding
- getaway
- hastening
- hurrying
- impetus
- intensification
- magnification
- pickup
- quickening
- reinforcement
- speeding
- speedup
- step-up
- strengthening
- thrust
- tightening