Meditative is a good word for it. Passive, or chill. Relaxing.
These are all strong ways to describe a particular style of experiential title which drop players in a location, pipe in soothing music, and let them drift through a world with no goals, objectives, checkpoints, or foes. Fugl‘s particular angle on this is to capture the thrill of flying. Despite quite a few technical issues at the moment, it’s well on its way.