nerve

Synonyms: assumption assurance audacity backbone brass bravery brazenness cheek chutzpah confidence coolness courage crust determination effrontery endurance energy face fearlessness firmness force fortitude gall gameness grit guts hardihood hardiness heart impertinence impudence insolence intestinal fortitude intrepidity mettle might moxie pluck presumption resolution sauce spirit spunk starch steadfastness stomach temerity vigor will

Antonyms: fear modesty shyness timidity

Synonyms: animate brace cheer embolden encourage enhearten fortify inspirit invigorate steel

Antonyms: discourage dishearten fear weaken