na-adjective
experiential; empirical; based on experience
Describes knowledge, judgment, or methods that rely on personal or practical experience rather than theory. Often used in academic or analytical contexts.
彼の判断は経験的な知識に基づいている。
His judgment is based on experiential knowledge.
経験的なデータを
We collected and analyzed empirical data.
理論的 means 'theoretical', often contrasted with 経験的 (experiential/empirical).
Compound of 経験 (experience) + 的 (-like, -al). The suffix 的 derives from Chinese and forms adjectival nouns.