| discretion(discipline, willpower, self-discipline) |
| disposition(noun, character, strength, restraint, discipline) |
| doggedness(noun, resolve, firmness, purpose, fortitude) |
| dogmatism(noun, resolve, purpose, fortitude, grit) |
| drive(noun, resolve, determination, purpose, fortitude) |
| earnestness(noun, character, strength, resolve, courage) |
| energy(noun, character, strength, resolve, courage) |
| enterprise(noun, character, strength, courage, will) |
| enthusiasm(noun, character, strength, courage, will) |
| essence(noun, character, strength, courage, will) |
| fearlessness(noun, resolve, purpose, fortitude, grit) |
| fire(noun, character, strength, courage, will) |
| firm-ness(noun, resolve, purpose, fortitude, grit) |
| firmness(noun, resolve, determination, willpower) |
| fixity(resolve, determination) |
| force(noun, character, strength, resolve, determination) |
| frame of mind(noun, expression, idiom, character, strength) |
| game |
| gameness(noun, character, strength, courage, will) |
| guts(noun, character, strength, resolve, courage) |