witch in WordNet English dictionary

1. an ugly evil-looking old woman
   hag  beldam  beldame  witch  crone 
   
2. a female sorcerer or magician
   enchantress  witch 
   
3. a believer in Wicca
   Wiccan  witch 
   
4. a being (usually female) imagined to have special powers derived from the devil
   witch 
   

1. cast a spell over someone or something; put a hex on someone or something
   hex  bewitch  glamour  witch  enchant  jinx