Derived from observation

• Relying on experience alone
• Experiential
• Observational
• Houseman, one in Morecambe, relying on experience
• Like some evidence
• Based on observation

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
c.1600, empirical , from Latin empiricus (n.) "a physician guided by experience," from Greek empeirikos "experienced," from empeiria "experience; mere experience or practice without knowledge," especially in medicine, from empeiros "experienced (in a thing), ...

Wikipedia Word definitions in Wikipedia
Empiric can refer to: Asclepiades of Bithynia Empiricism Empirical evidence Empirical research Empirical formula A person who practices quackery