dreamland

noun2

1. •
   An imaginary world experienced while dreaming.

   • “Child of earth,” she said, ”dost think we are here in dreamland?” ¶ He answered nothing, and she said, “This is no dream. […]” — 1922
2. •
   An imagined world that is ideal yet unrealistic; a fantasy.

   • Those long legs of McTominay sensed where the ball would land, and carried him there first to crack a half-volley past Arrizabalaga and send Scotland into dreamland. — 2023