All 7 Uses

decisive
in
The Other Wes Moore
(Edited)

The book is broken up into eight chapters, corresponding to eight years that had a decisive impact on our respective lives.
p. xiv.3 *

decisive = determining an outcome
Two incidents were decisive in Mary's decision to move.
p. 57.1

decisive = conclusive in settling a matter
She sat paralyzed on the bed for fifteen minutes before springing up, suddenly decisive.
p. 73.3

decisive = in a manner characterized by making a firm decision
These forks in the road can happen so fast for young boys; within months or even weeks, their journeys can take a decisive and possible irrevocable turn.
p. 95.6

decisive = important (determining an outcome)
Their decisive movements showed they knew exactly where to go and what they were looking for.
p. 147.4 *

decisive = ability to make quick decisions
People are so wildly different, and it's hard to know when genetics or environment or just bad luck is decisive.
p. 179.1

decisive = conclusive in settling a matter
But what all these responses have in common is that they point to the decisive power of information and stories—the kind provided and modeled by friends, family, mentors, or even books—which has only reinforced my initial decision to write this story in the first place.
p. 182.1

decisive = determining an outcome

Definitions:

(1) (decisive as in: a decisive defeat)
determining an outcome; or ending question
(2) (decisive as in: a decisive decision maker)
making quick decisions and sticking by them; or describing an action as firm or without hesitation
(3) (meaning too rare to warrant focus)