Moxie
WordNet
noun
(1) Fortitude and determination
"He didn't have the guts to try it"
WiktionaryText
Noun
moxie
- backbone, determination and fortitude
- initiative or skill
- "As a girl she had speed and a knock-kneed moxie at athletics, and might have done more with it if she hadn't harvested all the glory already." - from "Rabbit Redux" by John Updike