Valuate is a verb that means to determine the value of something, such as a product, service, or asset. There are several synonyms for this word, including appraise, assess, evaluate, measure, and estimate. Appraise is the most commonly used synonym, and it means to determine the value of something based on its condition, quality, and market demand. Assess is another synonym that is usually used to determine the value of something based on its usefulness or effectiveness. Evaluate is a synonym that is used to determine the worth of something based on its performance, quality, and quantity. Measure and estimate are more general synonyms that can be used to describe the overall value of something.