em·​pir·​i·​cal·​ly | \ im-ˈpir-i-k(ə-)lē How to pronounce empirically (audio) , em-\

Definition of empirically

: in an empirical manner : with a basis in or reliance on information obtained through observation, experiment, or experience a theory that has not yet been tested empirically … using Tycho Brahe's most exhaustive astronomical observations in history, Kepler had empirically demonstrated that the planets orbit elliptically.— Charles Krauthammer The statistical models were flawed, the defense maintained, noting that none had been empirically tested.— Simon Cole

First Known Use of empirically

1646, in the meaning defined above

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The first known use of empirically was in 1646

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