naturalism

n. principle that the world can be understood without supernatural or spiritual explanations (Philosophy); portrayal of people and things as they really are (Art, Literature)

Naturalism may refer to:Naturalism (philosophy), any of several philosophical stances wherein all phenomena or hypotheses commonly labeled as supernatural, are either false or not inherently different from natural phenomena or hypothesesMethodological naturalism is the methodological assumption that observable events in nature are explained only by natural causes without assuming the existence or non-existence of the supernatural, Metaphysical naturalism, a view whereby the world is amenable to a unified study that includes the natural sciences and in this sense the world is a unity.Ethical naturalism, the theory that ethical terms can be defined in non-ethical termsHumanistic naturalism, an outlook that places the emphasis upon a naturalism based upon scientific reasoningNatural history, a broad area of the natural sciences concerned with living thingsSociological naturalism, the view that the natural world and the social world are roughly identical and governed by similar principlesNaturalism (art), an artistic styleNaturalism (literature), a literary, cinematic, or theatrical styleNaturalistic observation, an empirical method of study by which the researcher introduces no outside stimulus, instead witnessing behavior as it naturally occurs in the environment
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Noun
1. (philosophy) the doctrine that the world can be understood in scientific terms without recourse to spiritual or supernatural explanations
(hypernym) philosophical doctrine, philosophical theory
(classification) philosophy
2. an artistic movement in 19th century France; artists and writers strove for detailed realistic and factual description
(synonym) realism
(hypernym) artistic movement, art movement

(n.)
The doctrine of those who deny a supernatural agency in the miracles and revelations recorded in the Bible, and in spiritual influences; also, any system of philosophy which refers the phenomena of nature to a blind force or forces acting necessarily or according to fixed laws, excluding origination or direction by one intelligent will.
  

(n.)
A state of nature; conformity to nature.
  

The belief that all objects, events, and values are explainable without reference to alleged supernatural agents.