The term 'very sophisticated' can be described by two crossword solutions: URBANE (6 letters) and blase (5 letters). URBANE is an adjective that means having the polish and suavity regarded as characteristic of sophisticated social life in major cities. Blase is an adjective that means showing or expressing a cool and cynical indifference. Together, these two words describe someone who is very sophisticated, having the polish and suavity of a city dweller, as well as a cool and indifferent attitude.