'Decisiveness' definitions:

Definition of 'decisiveness'

From: WordNet
noun
The trait of resoluteness as evidenced by firmness of character or purpose; "a man of unusual decisiveness" [syn: decisiveness, decision] [ant: indecision, indecisiveness]
noun
The quality of being final or definitely settled; "the finality of death" [syn: finality, conclusiveness, decisiveness] [ant: inconclusiveness]

Definition of 'Decisiveness'

From: GCIDE
  • Decisive \De*ci*sive\, a. [Cf. F. d['e]cisif. See Decision.]
  • 1. Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive. "A decisive, irrevocable doom." --Bates. "Decisive campaign." --Macaulay. "Decisive proof." --Hallam. [1913 Webster]
  • 2. Marked by promptness and decision. [1913 Webster]
  • A noble instance of this attribute of the decisive character. --J. Foster.
  • Syn: Decided; positive; conclusive. See Decided. -- {De*ci"sive*ly}, adv. -- {De*ci"sive*ness}, n. [1913 Webster]