A paranormal entity.
Not natural.
Above or beyond nature.
A person who supposedly contacts the dead; a medium.
In gnostic theologian Valentinus' triadic grouping of man the second type; a person focused on intellectual reality (the other two being hylic and pneumatic).
A person who possesses, or appears to possess, extra-sensory abilities such as precognition, clairvoyance and telepathy, or who appears to be susceptible to paranormal or supernatural influences.
Relating to the psyche or mind, or to mental activity in general.
Relating to or having the abilities of a psychic.