Prove decisive.

[david11]

What does prove decisive mean?

For Example,

This period will start with still more doubts and uncertainties, and you have to make a choice that will prove decisive in shaping your destiny.

 

[shannico]

What does prove decisive mean?

For Example,

This period will start with still more doubts and uncertainties, and you have to make a choice that will prove decisive in shaping your destiny/ turn out to be crucial/of fundamental importance for your destiny

Hope it helps

 

[david11]

What does it generally mean?

 

[shannico]

What does it generally mean?

prove
Prove | Define Prove at Dictionary.com


verb (used without object)10.to turn out: The experiment proved to be successful.

11.to be found by trial or experience to be: His story provedfalse.

12.(of dough) to rise to a specified lightness: Leave covered untilit has proved.


Decisive | Define Decisive at Dictionary.com

decisive (dɪˈsaɪsɪv)
— adj
1.	influential; conclusive: a decisive argument
2.	characterized by the ability to make decisions, esp quickly;resolute