The Collaborative International Dictionary
Venturousness
Venturous \Ven"tur*ous\, a. [Aphetic form of OE. aventurous. See
Adventurous, Venture, n.]
Daring; bold; hardy; fearless; venturesome; adveturous; as, a
venturous soldier.
--Spenser.
This said, he paused not, but with venturous arm
He plucked, he tasted.
--Milton.
[1913 Webster] -- Ven"tur*ous*ly, adv. --
Ven"tur*ous*ness, n.
Wiktionary
venturousness
n. The quality or state of being venturous; mettle; one's willingness to undertake potentially hazardous endeavours.