An experience or set of experiences which is intellectually challenging or stimulating.
An ego trip.
A disorienting, exciting experience, especially one consisting mainly of striking sensory impressions.
A state of mind in which one is distracted, disturbed, or unnerved, whether self-induced or resulting from ill-treatment by others.
The entirety of all that is real.
The real world.
The state of being actual or real; realness.
An individual observer's own subjective perception of that which is real.
A real entity, event, or other fact.