| spirit(noun, force, quality, drive, character) |
| strength(noun, power, character, energy, resolve) |
| constraint(discipline, self-discipline) |
| decidedness(noun, strong, spirit, resolve, certain) |
| decision(noun, feeling, strong, drive, power) |
| decisiveness(noun, feeling, strong, drive, power) |
| grit(noun, force, quality, drive, character) |
| guts(noun, force, quality, drive, power) |
| heart(noun, force, quality, drive, character) |
| obstinacy(noun, drive, energy, spirit, resolve) |
| obstinance(noun, resolve, determination, resolution, firmness) |
| pigheadedness |
| purposefulness(noun, strong, drive, energy, spirit) |
| resoluteness(noun, strong, drive, energy, spirit) |
| restraint(control, discipline, training, self-control, subjugation) |
| stubbornness(noun, drive, energy, spirit, resolve) |
| toughness(noun, strong, certain, determination, resolution) |
| volition(noun, feeling, drive, power, character) |
| will power(noun, expression, idiom, resolve, determination) |
| aim(noun, feeling, drive, power, character) |