| moxie(noun, strength, spirit, resolve, determination) |
| relentlessness(noun, spirit, determination, decision, settlement) |
| reliability(noun, ability, trustworthiness, maturity, faithfulness) |
| rigor(noun, severity, harshness, toughness, strictness) |
| self-confidence(noun, drive, determination, resolution, confidence) |
| self-possession(noun, spirit, determination, confidence, assurance) |
| single-mindedness(noun, drive, resolve, determination, resolution) |
| spirit(noun, power, strength, dash, determination) |
| stableness(noun, health, support, control, change) |
| strong |
| substance(noun, health, force, body, power) |
| tautness(noun, strength, tension, rigidity, stiffness) |
| thickness(noun, consistency, density, texture, runniness) |
| valor(noun, drive, power, strength, spirit) |
| viscosity(texture, thickness, runniness) |
| vitality(noun, health, force, body, power) |
| wholeness(noun, condition, better, hardness, durability) |
| willpower(noun, strong, drive, spirit, resolve) |
| adherence(noun, support, control, honor, strength) |
| answer |