demonstrably

American  

[dih-mon-struh-blee] / dɪˈmɒn strə bli /

adverb

1. in a way that can be demonstrated or proved.

   Privatization may be good for the government contractors who profit, but it's demonstrably less efficient in sectors like health care.

2. very evidently; obviously.

   Earlier in the game, the wide receiver was demonstrably agitated about not getting the ball enough.

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Other Word Forms

• nondemonstrably adverb
• undemonstrably adverb

Etymology

Origin of demonstrably

demonstrab(le) ( def. ) + -ly