RESOLUTENESS
resoluteness, firmness, firmness of purpose, resolve, resolution
(noun) the trait of being resolute; “his resoluteness carried him through the battle”; “it was his unshakeable resolution to finish the work”
Source: WordNet® 3.1
Etymology
Noun
resoluteness (usually uncountable, plural resolutenesses)
The state or characteristic of being resolute; determination or resolution.
Synonyms
• fortitude, inner strength, resolve, sticktoitiveness, tenacity
Antonyms
• irresoluteness
Source: Wiktionary
Res"o*lute*ness, n.
Definition: The quality of being resolute.
Source: Webster’s Unabridged Dictionary 1913 Edition