phantasy

/F AE1 N T AH0 S IY0/
noun
  1. 1

    That which comes from one's imagination.

  2. 2

    The literary genre generally dealing with themes of magic and the supernatural, imaginary worlds and creatures, etc.

  3. 3

    A fantastical design.

  4. 4

    The drug gamma-hydroxybutyric acid.

noun
  1. 1

    The innate, mental image of an object; the link between instinct and reality.

Source: https://en.wiktionary.org/wiki/fantasy, https://en.wiktionary.org/wiki/phantasy