empirical

/ɛmˈpɪrɪkəl/
adjective
  1. Based on observation, experience, or experiment rather than theory or logic.
    • Doctors rely on empirical evidence to decide which treatments work best.
    • The scientist collected empirical data by measuring plant growth every day.
    • Her empirical research showed that students learn better with short study sessions.
  2. Verifiable or provable by sensory experience or scientific method.
    • The theory lacked empirical support, so few experts accepted it.
    • We need empirical proof that the medicine is safe before selling it.
    • Empirical tests confirmed that the bridge could hold heavy trucks.
Antonyms
What does "empirical" mean? | whatsthatwordmean | whatsthatwordmean