The crossword solutions for the term MEASURE; ESTIMATE are GAUGE (5 letters). GAUGE is a term used to describe the process of measuring or estimating something. It is often used in engineering and manufacturing to measure the size, shape, or capacity of an object. Gauging is also used in other fields such as meteorology, where it is used to measure the amount of precipitation or wind speed. Gauging is also used in finance to measure the performance of investments.