A polite word people used to describe themselves when they indulge in activities with a goal to dissociate themselves from reality. It could involve taking drugs, and other body-chemistry altering substances, as well as just engaging in activities which are considered unproductive to keep oneself from facing real-life situations, emotions, and problems.
Psychedelicize is a verb describing an action or a mindsetcarried out or encountered in a 'psychedelic' way. To psychedelicize, merely indicates an individuals mere connectivity to things that are indeed psychedelic.