Horse-riding is an outdoor activity that has gained popularity among various age groups during the past few decades. There are several synonyms for horse-riding that can be used to add more variation to your vocabulary. Some popular synonyms for horse-riding include equestrianism, horseback riding, and equitation. Other terms that can also be used include mounted sports, horse racing, and horseback trail riding. Whether you are discussing different types of horse-riding events or simply want to add some diversity to your language, having a good understanding of these synonyms can help you become a more effective communicator.