Decisive - Definition

adj 1: determining or having the power to determine an outcome;
"cast the decisive vote"; "two factors had a decisive
influence" [ant: indecisive]
2: unmistakable; "had a decisive lead in the polls"
3: characterized by decision and firmness; "an able and decisive
young woman"; "we needed decisive leadership"; "she gave him
a decisive answer" [ant: indecisive]
4: forming or having the nature of a turning point or crisis; "a
critical point in the campaign"; "the critical test" [syn:
critical, decisive]