situation, hypothetical, case, circumstance, hypothetic, instance, outcome, example, simulation, eventuality, more...

reality, actuality, fact, certainty, truth

best case, worst case, most likely case, base case, more...

case, such, second, worse, following, possible, likely, typical, common, whole, above

hypothetical case,   the situation,   a situation,   imaginary situation,   whole situation,   case of events,   different situation,   devise situation,   a large situation,   typical situation