world·play
world·play
1. the invention of an imaginary world, sometimes called a paracosm;
2. in childhood and youth, an outcome of the normally developing imagination, often associated with play in secret, found, and constructed places;
3. self-generated make-believe, tending to the sustained mental modeling of a hypothetical place or system;
4. in the arts, a plausible pretense; in the sciences and social sciences, a possible world;
5. a touchstone experience, a creative strategy

