Mind-altering Definition

mīndôltər-ĭng
adjective
Producing distorted perceptions; hallucinogenic.
A mind-altering drug.
American Heritage Medicine

Affecting the mind or state of consciousness; esp., psychedelic.

A mind-altering drug.
Webster's New World
Causing a lasting change in perspective or thought; life-altering.
The summer I spent working on a ship was a mind-altering experience.
American Heritage