| stimulus(noun, push, pressure, thrust, impelling force) |
| surge(noun, push, pressure, thrust, stimulus) |
| urge(noun, compulsion, motive) |
| motive power(noun, expression, idiom, power, pressure) |
| catalyst(noun, motive) |
| horsepower(noun, force, thrust, momentum, impulsion) |
| incitement(noun, compulsion) |
| jolt(noun, advance, attack, offensive, impulse) |
| punch(noun, force, push, thrust, shove) |
| boost(noun, push, shove, impulse, prod) |
| butt(noun, advance, attack, offensive) |
| discharge(flood, deluge, regression, inundation, overabundance) |
| effort(noun, force, advance, attack, offensive) |
| ejection(noun, pitch, thrust, fling, regression) |
| fling(noun, pitch, thrust, regression) |
| heave(noun, pitch, thrust, fling) |
| incentive(noun, pressure, stimulus) |
| launching(noun, pitch, thrust, fling) |
| lob(noun, pitch, thrust, fling) |
| lunge(noun, push, thrust, shove, prod) |