The Collaborative International Dictionary
Victoriousness
Victorious \Vic*to"ri*ous\, a. [L. victoriosus: cf. F. victorieux. See Victory.] Of or pertaining to victory, or a victor' being a victor; bringing or causing a victory; conquering; winning; triumphant; as, a victorious general; victorious troops; a victorious day.
But I shall rise victorious, and subdue
My vanquisher.
--Milton.
Now are our brows bound wind victorious wreaths.
--Shak.
[1913 Webster] -- Vic*to"ri*ous*ly, adv. --
Vic*to"ri*ous*ness, n.
Wiktionary
victoriousness
n. The state or condition of being victorious.