noun (n)

• something existing solely in the imagination (but often mistaken for reality)(noun.cognition)

  Synonym:
  fantasy world, phantasy world
  

  source: wordnet30
• the enchanted realm of fairies(noun.cognition)

  Synonym:
  faerie, faery
  

  source: wordnet30
• The imaginary land or abode of fairies.(noun)

  source: webster1913