| lure(noun, reason, spur, stimulus, motivation) |
| motivator(noun, spur, incentive, provocation, motive) |
| motive power(noun, expression, pressure, stimulus, propulsion) |
| persistence(noun, power, strength, energy, vigor) |
| progress(noun, gain, thrust, forward, advancement) |
| reason(noun, drive, cause, desire, interest) |
| rush(noun, push, speed, pressure, thrust) |
| shove(noun, push, pressure, thrust, impulse) |
| spirit(noun, dash, vivacity) |
| acceleration(speed, rate) |
| actuate |
| advance(noun, movement, push, development, growth) |
| alacrity(noun, speed) |
| ambition(noun, drive, push, energy, desire) |
| animation(noun, drive, energy, dash, life) |
| ardour |
| brio(noun, dash, vivacity) |
| brunt(noun, trouble, power, strength, energy) |
| caprice |
| celerity(noun, speed, rate) |