Origin of term. The term psychedelic is derived from the Greek words ψυχή (psyche, "soul, mind") and δηλείν (delein, "to manifest"), hence "soul-manifesting", the implication being that psychedelics can access the soul and develop unused potentials of the human mind.
The following is a list of psychedelic drugs of various classes. Serotonergic psychedelics are usually considered to be the classical psychedelics, whereby the other classes are often only considered to have secondary psychedelic properties.
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