Antonyms of noun indecisiveness

1 of 2 senses of indecisiveness

Sense 2
indecisiveness, indecision -- (the trait of irresolution; a lack of firmness of character or purpose; "the king's incurable indecisiveness caused turmoil in his court")
       Antonym of decisiveness (Sense 1)
      => decisiveness, decision -- (the trait of resoluteness as evidenced by firmness of character or purpose; "a man of unusual decisiveness")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun indecisiveness

2 senses of indecisiveness

Sense 1
indecision, indecisiveness, irresolution -- (doubt concerning two or more possible alternatives or courses of action; "his indecision was only momentary but the opportunity was lost")
       => doubt, uncertainty, incertitude, dubiety, doubtfulness, dubiousness -- (the state of being unsure of something)

Sense 2
indecisiveness, indecision -- (the trait of irresolution; a lack of firmness of character or purpose; "the king's incurable indecisiveness caused turmoil in his court")
       => irresoluteness, irresolution -- (the trait of being irresolute; lacking firmness of purpose)