The class of literature comprising works of imaginative narration, especially in prose form;
something feigned, invented, or imagined; a made-up story (dictionary.com)
While I can logically agree with the sterile nature of the dictionary explanation of our beloved term fiction,
the idea that there is still truth in a lie provides the weight and insight that this medium truly offers the world.
Every reader and writer of fiction has their own personal definition – What’s yours?