valuation

Etymology

Middle French valuation, noun of action from valuer, from Old French valoir.

noun

1. An estimation of something's worth.
2. (finance, insurance) The process of estimating the value of a financial asset or liability.
   The tax assessor put them in fourteen valuation groups ranging from one two-story brick house and two one-and-a-half-story houses to the largest groups of eighteen two-story houses and twenty-four one-story bungalows. 1993, Historic American Building Survey, Town of Clayburg: Refractories Company Town, National Park Service, page 4
3. (logic, propositional logic, model theory) An assignment of truth values to propositional variables, with a corresponding assignment of truth values to all propositional formulas with those variables (obtained through the recursive application of truth-valued functions corresponding to the logical connectives making up those formulas).
4. (logic, first-order logic, model theory) A structure, and the corresponding assignment of a truth value to each sentence in the language for that structure.
5. (algebra) A measure of size or multiplicity.
6. (measure theory, domain theory) A map from the class of open sets of a topological space to the set of positive real numbers including infinity.