kesin bir şekilde

listen to the pronunciation of kesin bir şekilde
Турецкий язык - Английский Язык
conclusively
In a conclusive manner; with finality

Once the final experiment had been performed, the theory was conclusively proved.

{a} decisively, fully, satisfactorily
in a conclusive way; "we settled the problem conclusively"
In a conclusive manner}
In the way of conclusion; decisively; positively
in a conclusive way; "we settled the problem conclusively
in a final manner; convincingly