demonstrably
adv. manner C1 Advanced US //dɪˈmɑnstɹəbɫi// UK //dˈɛmənstɹəbli// demon·stra·bly
adv. in a way that can be clearly shown or proven to be true. You use this when you want to say that something is not just an opinion, but a fact that others can see or test.
adv. in a manner that can be clearly shown or proved to be true. Often used to emphasize the objective nature of a claim or the visible evidence of a situation.
The results are demonstrably better than last year.
The new safety protocol has demonstrably reduced the number of accidents in the factory over the last six months.
While the initial theory was met with skepticism, the subsequent data proved that the effect was demonstrably real and not merely a statistical anomaly.