Privately-owned aircraft, also known as private jets, are synonymous with a number of related terms in the aviation industry. Some of the common synonyms include business jets, executive aircraft, and corporate planes. These aircraft are primarily used by businesses and affluent individuals for personal travel and leisure, as well as for conducting business meetings and events. Additionally, private jets are often referred to as luxury planes or VIP aircraft due to their high-end amenities and customized features. Overall, these synonyms reflect the exclusive nature of private aviation and highlight the level of luxury and convenience that comes with flying privately.