| cause(noun, charge, influence, reason, boost) |
| compulsion(noun, trouble, power, strength, energy) |
| driving force(noun, expression, idiom, force, drive) |
| fillip(noun, charge, cause, boost, spur) |
| mind(noun, movement, feeling, drive, desire) |
| power(noun, trouble, force, drive, strength) |
| spirit(noun, activity, energy, soul, animation) |
| spontaneity(noun, drive, desire, resolve, urge) |
| tendency(noun, nature, movement, feeling, character) |
| wish(noun, feeling, drive, desire, resolve) |
| yen(noun, drive, desire, resolve, urge) |
| actuation(noun, drive, start, desire, resolve) |
| appeal(noun, drive, desire, resolve, urge) |
| aptitude(noun, nature, feeling, character, affection) |
| augmentation(noun, pressure, stimulus, throb, propulsion) |
| boost(noun, charge, cause, spur, stimulus) |
| conceit(noun, desire, urge, hope, inclination) |
| craving(noun, desire, need, wish, longing) |
| drift(noun, movement, feeling, aim, affection) |
| excitant(noun, drive, start, drug, desire) |