Esotericism and esoterism, is a scholarly "generic label for a large and complicated group of historical phenomena" which share an air de famille. It refers to a wide array of ideas and movements which have developed within Western society, and which have remained largely distinct from both orthodox Judeo-Christian religion and Enlightenment rationalism. A trans-disciplinary field, esotericism has pervaded various forms of
Western philosophy, religion, pseudoscience, art, literature, and music,
continuing to have an impact on intellectual ideas and popular culture.