empirical
/ɛmˈpɪrɪkəl/Definitions
1. adjective
based on or concerned with experience or observation rather than theory or pure logic
“The scientist’s empirical evidence supported her claims.”
2. noun
a fact or piece of information obtained from observation or experience rather than from theory or pure logic
“She based her decision on empirical evidence from the study.”
3. noun
a method of investigation in which data is collected and analyzed from direct observation or experience
“The researcher used an empirical approach to study the effects of climate change.”