JETSET and also JET SET anglilicism by international upper class, comes from JET, private or war plane powered by turbines based on blades, a term that appeared when commercial aircraft were still propeller and jet was something very exclusive, and SET, set. So JET SET is the group of those who have private jets or an equivalent purchasing power and class of life. He got used to calling personalities from jetset, i.e. the rich and famous: film artists, great musicians and singers, golf stars, football, tennis, basketball, formula 1 and young and famous executives and entrepreneurs. Some synonyms, words or similar expressions can be rich and famous, celebrities