The phrase "knight the road" means to travel on horseback. There are many synonyms for this phrase that can be used to add variety to your writing. Some of these synonyms include "ride the road", "journey on horseback", "traverse the path", "canter along the way", "gallop through the countryside", "trot through the landscape", "explore on horseback", and "navigate the trail". Whether you are writing a historical novel, fantasy epic, or travelogue, using different synonyms for "knight the road" can help you create a vivid and engaging story that transports your readers to another time and place.