The crossword solution for the term 'estimate the worth of' is 'APPRAISE, ' which is an 8-letter word. Appraising is the process of determining the value of something, such as a property or an item of personal property. It involves researching and analyzing the item's condition, features, and market value in order to come up with an accurate estimate of its worth. Appraisals are often used in real estate transactions, insurance claims, and other financial transactions.