supervaluation means the valuation of a logical expression according to supervaluationism. Lexicurio rates it Rare gem — a strength score of 83 out of 100.
Etymology
From super- + valuation.
noun
- The valuation of a logical expression according to supervaluationism.“In the domain of valuations which are supervaluations with respect to a certain partial valuation the axioms of classical logic remain valid.”