A term coined by Paul Czege for searching for a simulation-like system which will support GNS Narrativism without breaking suspension of disbelief. Since then, other have used it to mean Transition from Simulationist to Narrativist play without noticeable Drift in the rules-use.

References:

• Simulationism and Narrativism under the same roof
• "Story," Actor stance, and My Guy-ism (referenced but not linked in the above thread)
• El Dorado