imaginativeness
1. [ noun ] the formation of a mental image of something that is not perceived as real and is not present to the senses
Synonyms: imagination vision
Examples:

"popular imagination created a world of demons" "imagination reveals what the world could be"

Related terms: creativity dream fantasy fancy imaginary_place imaginary_being imagine
Similar spelling:   imaginatively
  imagination_image
  imaginary_part
  imaginary_being