The crossword solution for the term 'Go Briskly' is 'TROT', which is a four-letter word. Trotting is a type of gait in which the horse moves its legs in diagonal pairs, with the front and hind legs on one side moving together, followed by the front and hind legs on the other side. It is a faster gait than a walk, but slower than a gallop. Trotting is often used as a form of exercise for horses, and can be used to describe a person who is walking or running quickly. Therefore, the term 'Go Briskly' can be interpreted as 'TROT'.