THESAURUS
chutzpah
backbone, bottom, brashness, brass, brazen boldness, cheek, crust, face, gall, grit, guts, gutsiness, guttiness, heart, heart of oak, heroics, hubris, improvidence, imprudence, impudence, indiscretion, injudiciousness, insolence, intestinal fortitude, mettle, nerve, overboldness, overcarelessness, overconfidence, oversureness, overweeningness, pith, pluck, rashness, spirit, spunk, stamina, stout heart, temerariousness, temerity, toughness, unchariness, unwariness