From The Collaborative International Dictionary of English v.0.44 [gcide]:
Intrepidity \In'tre*pid"i*ty\, noun [Cf. F. intr['e]pidit['e].] The quality or state of being intrepid; fearless bravery; courage; resoluteness; valor.
Sir Roger had acquitted himself of two or three sentences with a look of much business and great intrepidity. --Addison.
Syn: Courage; heroism; bravery; fortitude; gallantry; valor. See {Courage}, {Heroism}.
From WordNet (r) 2.0 [wn]:
noun
1: resolute courageousness [syn: {dauntlessness}]
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