Naturalism (noun)

1. The belief that only natural (as opposed to supernatural or spiritual) laws and forces operate in the world.
2. The representation in art or literature of subjects from everyday life in a realistic manner, without idealization or romanticism.

Origin:

Late 18th century: from french naturalisme, from latin natura "nature" + -alisme.

Examples:

1. The philosopher's work was heavily influenced by naturalism, which holds that the universe is a product of natural laws.
2. The naturalism of the novel was praised for its accurate portrayal of everyday life in the working-class neighborhood.
3. The play was criticized for its naturalism, for depicting the characters as morally flawed.
4. The naturalism in the paintings was remarkable, capturing the essence of the landscapes and the people in them.
5. Naturalism in science posits that natural laws are the only forces that govern the universe.