Hallucinatory is used to describe something that is like a hallucination or is the cause of a hallucination. It was an unsettling show. There was a hallucinatory feel from the start
Hallucinatory realism is a vaguely defined term that has been used since at least the 1970s by critics in describing works of art. It may have some connection to the concept of magical realism although hallucinatory realism is usually more specific to a dream-state