imagination

noun

1. 1

   The image-making power of the mind; the act of mentally creating or reproducing an object not previously perceived; the ability to create such images.

   “Imagination is one of the most advanced human faculties.”

2. 2

   Particularly, construction of false images; fantasizing.

   “You think someone's been following you? That's just your imagination.”

3. 3

   Creativity; resourcefulness.

   “His imagination makes him a valuable team member.”

4. 4

   A mental image formed by the action of the imagination as a faculty; something imagined.