Medium (7)
'medium' is the definition.
(I know that medium can be written as average)
This is all the clue.
(Other definitions for average that I've seen before include "Normal in arithmetic way" , "Normal; mean" , "About normal or usual" , "just like any other" , "The statistical norm" .)
'medium' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for psychic that I've seen before include "Person with ESP" , "Person with occult powers" , "Having paranormal powers" , "Spiritualist medium" , "exhibiting special sense" .)
(Other definitions for palmist that I've seen before include "Person who tells fortunes from studying hands" , "Fortune reader" , "Hand reader" , "One who tells the future from the hand" , "One who tells fortunes from the hand" .)