### Clue: Witches go where outcasts are sent (8)
### Answer: COVENTRY 
 ### Explanation: Definition: where outcasts are sent
 COVEN(the collective noun for a group of witches} + TRY(a go;an attempt).
Answer: From the Idiom "sent to Coventry";to be ostracised/ignored, possibly derived from the sending of Royalist prisoners during the English Civil War to that town.