The Oxford Thesaurus An A-Z Dictionary of Synonyms - sophisticatedadj.

1) cultivated, cultured, refined, experienced, worldly, cosmopolitan, polished, elegant, urbane, worldly-wise, knowledgeable, knowing, suave, soign‚(e) , blas‚, chichi, slick, Slang hip or hep, cool, with it: The Gordons mix with a pretty sophisticated crowd. 2) advanced, complex, complicated, intricate, elaborate, subtle, refined, multifaceted: The desk-top computers of today are much more sophisticated than most older main-frame systems.