| Noun | 1. | decisiveness - the trait of resoluteness as evidenced by firmness of character or purpose; "a man of unusual decisiveness"resoluteness, resolve, firmness, resolution - the trait of being resolute; firmness of purpose; "his resoluteness carried him through the battle"; "it was his unshakeable resolution to finish the work" indecision, indecisiveness - the trait of irresolution; a lack of firmness of character or purpose; "the king's incurable indecisiveness caused turmoil in his court" | |