| hardihood(noun, resolve, purpose, fortitude, grit) |
| heart(noun, character, strength, resolve, courage) |
| humor(noun, character, strength, courage, will) |
| independence(noun, resolve, purpose, fortitude, grit) |
| indomitability(noun, resolve, purpose, fortitude, grit) |
| intrepidity(noun, resolve, purpose, fortitude, grit) |
| iron will(noun, expression, resolve, determination, firmness) |
| jazz(noun, character, strength, courage, will) |
| life(noun, character, strength, courage, will) |
| life force(noun, expression, character, strength, courage) |
| liveliness(noun, character, strength, courage, will) |
| manliness |
| mettle(noun, character, strength, courage, will) |
| mood(noun, character, strength, courage, will) |
| moral fiber(noun, expression, character, strength, resolve) |
| morale(noun, character, strength, courage, will) |
| motivation(noun, character, strength, courage, will) |
| nerve(noun, character, strength, resolve, courage) |
| obstinacy(noun, resolve, firmness, purpose, fortitude) |
| obstinance(noun, resolve, firmness, willpower) |