The crossword solution for the term 'GET READY TO RIDE, WITH 'UP'' is 'SADDLE', which is a six-letter word. A SADDLE is a supportive structure for a rider or driver of an animal, such as a horse, camel, donkey, or mule. It is typically made of leather and other durable materials and is designed to provide comfort and stability for the rider. The phrase 'get ready to ride, with 'UP'' implies that the rider should prepare the SADDLE and mount the animal in order to begin the journey.