| jazz(noun, force, quality, character, strength) |
| keenness(noun, enthusiasm, eagerness, willingness) |
| life(noun, force, quality, character, strength) |
| life force(noun, expression, force, quality, character) |
| lion-heartedness(spirit, dash, courage, nerve, guts) |
| liveliness(noun, force, quality, character, strength) |
| mood(noun, force, quality, character, strength) |
| morale(noun, force, quality, character, strength) |
| motivation(noun, force, quality, character, strength) |
| oomph(noun, force, quality, character, strength) |
| outlook(noun, force, quality, character, strength) |
| pertinacity |
| pith |
| pliability |
| psyche(noun, force, quality, character, strength) |
| pugnacity(noun, attack, power, spirit, fight) |
| rashness(spirit, dash, courage, nerve, guts) |
| recklessness(spirit, dash, courage, nerve, guts) |
| sparkle(noun, force, quality, character, strength) |
| starch(noun, spirit, determination, confidence, courage) |