| incitement(noun, activity, charge, drive, cause) |
| inducement(noun, charge, drive, cause, desire) |
| stimulus(noun, charge, feeling, drive, cause) |
| incentive(noun, charge, drive, cause, desire) |
| instigation(noun, charge, feeling, drive, cause) |
| motivation(noun, charge, feeling, drive, cause) |
| irritation(noun, state, trouble, act, distress) |
| encouragement(noun, charge, drive, cause, excitement) |
| impulse(noun, charge, feeling, drive, cause) |
| challenge(noun, order, attack, disregard, dispute) |
| stimulation(noun, activity, charge, feeling, cause) |
| spur(noun, charge, drive, cause, desire) |
| aggravation(noun, trouble, difficulty, stress, irritation) |
| cause(noun, charge, cause, reason, boost) |
| incitation(noun, charge, drive, cause, desire) |
| motive(noun, charge, feeling, drive, cause) |
| annoyance(noun, trouble, act, distress, temper) |
| inspiration(noun, drive, cause, desire, reason) |
| pique(noun, temper, anger, resentment, irritation) |
| reason(noun, drive, cause, desire, interest) |