Appreciation
Part of speech: noun
Definition: A just valuation or estimate of merit, worth, weight, etc.; recognition of excellence. Accurate perception; true estimation; as, an appreciation of the difficulties before us; an appreciation of colors. A rise in value;—opposed to depreciation.
Revaluation
Part of speech: noun
Definition: The process of altering the relative value of a currency or other standard of exchange.A reassessment of the value or worth of something; a reappraisal or reevaluation.