Empiricism (noun)

1. The philosophical belief that knowledge arises from experience and observation, rather than from reasoning and intuition.
2. A scientific approach based on observation and experimentation, as opposed to theory or intuition.

Origin:

Late 16th century: from french émpirisme or modern latin empirismus, from greek empeiria 'experience.'.

Examples:

1. Empiricism is a fundamental principle of the scientific method and is considered essential for the advancement of knowledge.
2. Many philosophers and scientists have espoused the principles of empiricism over the centuries, including John Locke and Isaac Newton.
3. The empirical study of the natural world has led to many remarkable discoveries and advances in human knowledge.
4. Critics of empiricism argue that it is limited by the subjectivity of observation and the limits of human perception.
5. Advocates of empiricism maintain that it is the best means of arriving at accurate and reliable knowledge about the world.