| stoutheartedness(noun, force, quality, character, strength) |
| substance(noun, force, quality, character, strength) |
| temper(noun, force, quality, character, strength) |
| temperament(noun, force, quality, character, strength) |
| tenor(noun, force, quality, character, strength) |
| vigor(noun, force, quality, character, strength) |
| vis vitalis |
| vital energy |
| vital flame |
| vital fluid |
| vital spirit |
| warmth(noun, force, quality, character, strength) |
| will(noun, force, quality, character, strength) |
| willpower(noun, force, quality, character, strength) |
| zest(noun, force, quality, character, strength) |
| attitude(noun, quality, character, strength, resolve) |
| chutzpah(noun, character, strength, courage, liveliness) |
| determination(noun, character, strength, courage, will) |
| fortitude(noun, character, strength, courage, will) |
| moral fiber(noun, expression, character, strength, courage) |