An estimator is a professional who is responsible for making accurate estimates of the value of goods or services. This term can be used to describe a variety of different roles, including an ASSESSOR (8 letters), VALUER (6 letters), APPRAISER (9 letters), rater (5 letters), and guesser (7 letters). An ASSESSOR is someone who evaluates the worth of something, such as property or a business. A VALUER is someone who determines the monetary value of something. An APPRAISER is someone who evaluates the worth of something, such as real estate or antiques. A rater is someone who assigns a numerical rating to something, such as a product or service. Finally, a guesser is someone who makes an educated guess about the value of something.