| leading force(expression, force, power, motivation, motive) |
| leading power(expression, force, power, motivation, motive) |
| locomotive engine(expression, force, power, motivation, motive) |
| motor power(expression, force, power, motivation, motive) |
| power(noun, force, cause, means, thrust) |
| propelling power(expression, force, power, motivation, motive) |
| push factor(expression, force, power, motivation, motive) |
| driver(noun, force, power, cause, means) |
| impellent(noun, force, power, motivation, motive) |
| impelling force(expression, force, power, motivation, motive) |
| incitement(noun, force, drive, power, energy) |
| momentum(noun, force, power, motivation, motive) |
| impulsion(noun, force, drive, power, inspiration) |
| catalyst(noun, force, drive, power, inspiration) |
| propelment(noun, force, power, energy) |
| pushing(adjective, characteristic, force, power, energy) |
| shove(noun, force, power, energy) |
| shoving(adjective, characteristic, force, power, energy) |
| propelling(adjective, characteristic, force, power, energy) |
| action(noun, force, drive, inspiration, incentive) |