empirically
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- r in an empirical manner
this can be empirically tested
- Even though Fox probably made a million dollars' worth of trailers and ads, they empirically knew from testing that every dollar they spent on ad time for Idiocracy would be wasted.
- A platoon of PTI reporters and pollsters fanned out to every corner of the country to measure anecdotally and empirically what's changed in the way we set our priorities .
- When published aeronautical data turned out to be unreliable, the Wright brothers built their own wind tunnel to test airfoils and measure empirically how to lift a flying machine .