| relentlessness(noun, spirit, determination, firmness, decision) |
| ability(noun, drive, power, strength, energy) |
| abstemiousness(discipline, self-discipline) |
| aggressiveness(confidence, forcefulness, insistence) |
| aplomb(discipline, self-discipline) |
| apparition |
| appetite(noun, feeling, drive, power, character) |
| arm(noun, power, strength, energy, vigor) |
| assertiveness(resolve, confidence, certainty, decision, forcefulness) |
| audacity(resolve, courage, nerve, liveliness, boldness) |
| authoritativeness(certainty, resoluteness) |
| authority(noun, drive, power, strength, energy) |
| balance(discipline, self-discipline) |
| bite(noun, drive, power, strength, energy) |
| brunt(noun, power, strength, energy, vigor) |
| capability(noun, power, strength, energy, vigor) |
| chutzpah(noun, character, strength, courage, liveliness) |
| clout(noun, power, strength, energy, vigor) |
| coercion(noun, drive, power, strength, energy) |
| cogency(noun, power, strength, energy, vigor) |