One Cuil = One level of abstraction away from the reality of a situation.

Cuil is a function that can be applied to a scenario.

0‽(x) = x = base scenario
1‽(x) = one level of abstractness above the base scenario
and so on in the form
N‽(x) = N levels of abstractness above the base scenario; where the limit of N is based upon N definitions given in the scenario.

Cuil Wiki[cuiltheory.wikidot.com]