empirically

/EH0 M P IH1 R IH0 K AH0 L IY0/
adverb
  1. 1

    Based on experience as opposed to theoretical knowledge.

    โ€œI have no idea why this works, but empirically, it works.โ€

  2. 2

    Based on data gathered in the real world.

    โ€œWe need to test this idea empirically instead of just speculating about it.โ€

Source: https://en.wiktionary.org/wiki/empirically