Entheogens Katie Givens Kime Institute of Practical Theology, University of Bern, Bern, Switzerland in D. A. Leeming (ed.), "Encyclopedia of Psychology and Religion", # Springer-Verlag GmbH Germany, part of Springer Nature 2018 Doi : 10.1007/978-3-642-27771-9_200181-1   Entheogen is a term coined in the late 1970s by a group of botanists and scholars which refers to any psychoactive agent which allows for “generating the divine within” (Ruck et al. 1979). Entheogens are psychedelic substances which, in adequate dosage under supportive conditions, are known to facilitate visionary, mystical, and/or spiritual experiences. Such substances include psilocybin, peyote, LSD (lysergic acid diethylamide), ibogaine, and ayahuasca. Typically of plant origin, entheogens are [...]