English to English

noun (n)

• (philosophy) the doctrine that knowledge derives from experience(noun.cognition)

  Synonym:
  empiricist philosophy, sensationalism
  

  source: wordnet30
• the application of empirical methods in any art or science(noun.act)

  source: wordnet30
• medical practice and advice based on observation and experience in ignorance of scientific findings(noun.act)

  Synonym:
  quackery
  

  source: wordnet30
• The method or practice of an empiric; pursuit of knowledge by observation and experiment.(noun)

  source: webster1913