The crossword solution for the term 'Something to Go On?' is FOOT, which is a four-letter word. A FOOT is a unit of measurement in the imperial and US customary systems of measurement, equal to 12 inches or 0.3048 meters. It is also used to refer to the lower extremity of the human body, which is composed of the tarsus, metatarsus, and phalanges. In addition, the term 'FOOT' can be used figuratively to mean the bottom or base of something, such as the FOOT of a mountain or the FOOT of a bed.