Naturalism (philosophy) , any of several philosophical stances wherein all phenomena or hypotheses commonly labeled as supernatural, are either false, unknowable, or not inherently different from natural phenomena or hypotheses
---Methodological 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 terms
Humanistic Naturalism , an outlook that places the emphasis upon a naturalism based upon scientific reasoning
Natural History , a broad area of the natural sciences concerned with living things
Sociological Naturalism , the view that the natural world and the social world are roughly identical and governed by similar principles
Naturalistic Observation , an empirical method of study by which the researcher introduces no outside stimulus, instead witnessing behavior as it naturally occurs in the environment
Naturalism should not be confused with Naturism , which is related to nudism
