| provoker(noun, incentive, motive, instigator, activator) |
| push(noun, cause, energy, spirit, spur) |
| stimulant(noun, spur, incentive, provocation, inducement) |
| support(noun, cause, push, energy, spirit) |
| urge(noun, spur, incentive, provocation, inducement) |
| whetter(noun, source, mover, doer, goer) |
| doer(noun, source, powerhouse, mover, achiever) |
| mover(noun, cause, source, powerhouse, doer) |
| energy(noun, cause, push, spirit) |
| goad(noun, spur, incentive, provocation, inducement) |
| goer(noun, source, powerhouse, mover, doer) |
| incitement(noun, spur, incentive, provocation, inducement) |
| initiator(noun, incentive, motive, instigator, activator) |
| instigation(noun, spur, incentive, provocation, inducement) |
| need(noun, cause, push, energy, spirit) |
| pressure(noun, cause, push, energy, spirit) |
| prompt(noun, spur, incentive, provocation, inducement) |
| pusher(noun, incentive, motive, instigator, activator) |
| source(noun, cause, mover, doer, goer) |
| arousal(noun, spur, incentive, provocation, inducement) |