Psychedelically

adjective
1.
of or noting a mental state characterized by a profound sense of intensified sensory perception, sometimes accompanied by severe perceptual distortion and hallucinations and by extreme feelings of either euphoria or despair.
2.
of, relating to, or noting any of various drugs producing this state, as LSD, mescaline, or psilocybin.
3.
resembling, characteristic of, or reproducing images, sounds, or the like, experienced while in such a state:
psychedelic painting.
noun
4.
a psychedelic drug.
5.
a person who uses such a substance.
adjective
1.
relating to or denoting new or altered perceptions or sensory experiences, as through the use of hallucinogenic drugs
2.
denoting any of the drugs, esp LSD, that produce these effects
3.
(informal) (of painting, fabric design, etc) having the vivid colours and complex patterns popularly associated with the visual effects of psychedelic states

psychedelic psy·che·del·ic (sī’kĭ-děl’ĭk)
adj.
Of, characterized by, or generating hallucinations, distortions of perception, altered states of awareness, and occasionally states resembling psychosis. n.
A drug, such as LSD or mescaline, that produces such effects.
psychedelic [(seye-kuh-del-ik)]

A descriptive term for things that produce or are related to hallucinations, especially drugs such as LSD.

Note: Psychedelic art, most popular during the late 1960s and early 1970s, combines patterns, objects, light, and sound to simulate hallucinatory experiences.