heroics (n.)

• bluster
• boast
• boastfulness
• boasting
• bombast
• brag
• braggadocio
• bragging
• brashness
• brass
• bravado
• cheek
• chutzpah
• conceit
• gall
• gasconade
• hubris
• improvidence
• imprudence
• impudence
• indiscretion
• injudiciousness
• insolence
• jactation
• jactitation
• overconfidence
• rashness
• rodomontade
• side
• swagger
• temerity
• unwariness
• vanity
• vaunt