| impulse(noun, trouble, force, charge, drive) |
| stimulus(noun, trouble, charge, drive, power) |
| incentive(noun, force, charge, drive, cause) |
| push(noun, trouble, force, charge, drive) |
| drive(noun, force, power, passion, strength) |
| motivation(noun, force, charge, drive, cause) |
| thrust(noun, movement, force, drive, push) |
| momentum(noun, trouble, force, drive, power) |
| energy(noun, force, drive, power, strength) |
| impulsion(noun, force, drive, push, desire) |
| driving force(noun, expression, idiom, force, drive) |
| spur(noun, force, charge, drive, cause) |
| urge(noun, force, desire, reason, stick) |
| goad(noun, force, charge, drive, cause) |
| incitement(noun, force, charge, drive, cause) |
| power(noun, trouble, force, drive, strength) |
| force(noun, drive, power, strength, push) |
| pressure(noun, trouble, force, drive, power) |
| propulsion(noun, force, drive, push, pressure) |
| stimulant(noun, force, charge, drive, cause) |