The term 'member of the jet set' refers to a person who is wealthy and travels frequently. The crossword solutions for this term are LEAR (4 letters), AIRLINER (8 letters), and NABOB (5 letters). LEAR is an acronym for Learjet, a type of private jet. AIRLINER is a reference to commercial air travel, which is often used by members of the jet set. NABOB is a term for a wealthy person, which is another way to describe a member of the jet set.