More sophisticated is a term used to describe something that is more refined, complex, or advanced than what it was before. Suaver (6 letters) is an adjective meaning having or showing tact and taste in behavior or speech. Urbaner (7 letters) is an adjective meaning relating to or characteristic of a city or town. SMARTER (7 letters) is an adjective meaning having or showing quick intelligence or ready mental capability. Together, these three words can be used to describe something that is more sophisticated than it was before.