| self-possession(noun, spirit, determination, assurance, certainty) |
| single-mindedness(noun, drive, energy, resolve, determination) |
| spine(noun, drive, strength, energy, resolve) |
| starch(noun, strength, spirit, determination, courage) |
| staying power(expression, strength, determination, courage, firmness) |
| stick-to-itiveness(noun, strength, determination, courage, firmness) |
| stiff upper lip(noun, expression, idiom, drive, energy) |
| stomach(noun, strength, spirit, determination, courage) |
| stout-heartedness |
| stubbornness(noun, drive, energy, resolve, determination) |
| thoughtlessness(noun, assurance, nerve, daring, gall) |
| toughness |
| true grit(noun, expression, strength, determination, courage) |
| virility(noun, character, courage, fortitude, bravery) |
| what it takes(noun, expression, idiom, strength, determination) |
| will(noun, drive, strength, spirit, determination) |
| willpower(noun, drive, energy, resolve, determination) |
| address(courtesy, thoughtfulness, chivalry) |
| adventurous |
| assumption(noun, spirit, courage, guts, bravery) |