conclusively
adv. C1 Advanced US //kənˈkɫusɪvɫi// UK //kənklˈuːsɪvli// con·clu·sive·ly
adv. in a way that ends a discussion or proves something is definitely true. You use this when you want to say there is no more doubt about a fact.
adv. in a manner that settles an issue or proves a point beyond any doubt. Often used to describe evidence or arguments that leave no room for further debate.
The new evidence conclusively proves his innocence.
The researchers conducted a double-blind study to ensure their results were conclusive and not influenced by bias.
While the initial data suggested a correlation, the subsequent meta-analysis provided conclusively that the two variables were independent of one another.