empirical
adj.adj. based on real facts, evidence, or things you can see and measure. It describes knowledge that comes from doing experiments or watching what actually happens rather than just using logic or theory.
adj. derived from or verifiable by observation or experience rather than theory or pure logic. Frequently used in academic contexts to describe evidence-based research or data-driven conclusions.
The scientist collected empirical evidence to prove her theory.
Researchers are looking for empirical data to confirm that the new teaching method actually improves student grades.
While the philosophical argument was logically sound, it lacked the empirical support necessary to convince the skeptical committee of its practical application in the field.
From empiric + -al.
Typically precedes the noun it modifies, such as 'evidence', 'data', or 'research'.