Empiricist (noun)

1. A person who subscribes to the philosophy of empiricism, believing that knowledge arises from experience and observation.
2. A scientist who employs an empirical approach to research, relying on observation and experimentation rather than theory or intuition.

Origin:

Late 16th century: from french empiriste, from émpirisme (see empiricism).

Examples:

1. The empiricist believed that only by testing hypotheses through observation and experimentation could we truly understand the natural world.
2. Many of the greatest minds in science and philosophy have been empiricists, including Galileo, Newton, and Darwin.
3. The empiricist's work was based on systematic observation and experimentation, leading to many important discoveries.
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.