The word "definitive" means final, complete, or authoritative; it is used to describe something that provides a clear answer or solution and leaves no room for doubt or debate. Full definition
All of these questions are capable of definitive answer by case law or statute. (gregoryforman.com)
For travelers who just want to know how to bring their favorite pets along on vacation, we provide definitive guides for traveling with your pets. (travelandleisure.com)
In my book of definitive version I agree with you. (gonintendo.com)