| incentive(noun, verb, charge, cause, stimulate) |
| stimulus(noun, charge, cause, boost, spur) |
| encouragement(noun, charge, cause, boost, spur) |
| inducement(noun, charge, cause, boost, spur) |
| bonus |
| boost(noun, verb, charge, cause, stimulate) |
| incitement(noun, charge, cause, boost, spur) |
| spur(noun, charge, cause, boost, encouragement) |
| stimulant(noun, medicine, charge, cause, boost) |
| tap(verb, stimulate, impulse) |
| flip(verb, stimulate) |
| goad(noun, verb, charge, cause, boost) |
| impetus(noun, charge, cause, boost, spur) |
| impulse(noun, charge, cause, boost, spur) |
| provocation(noun, charge, cause, boost, spur) |
| stimulate(verb, excitation) |
| stimulation(noun, charge, cause, boost, spur) |
| whet(verb, motive, excitation) |
| animate |
| charge(noun, verb, cause, stimulate, boost) |