worldly-wise, intellectual, intelligent, well-informed, urbane, advanced, refined, cosmopolitan, svelte, blase, more...

primitive, simple, crude, rudimentary, unsophisticated

suave, elegant, charming, urbane, cosmopolitan, refined, cultured, more...

high brow,   more refined,   refined (hyph.),   complex technology,   nuanced and complex,   highly advanced,   more nuanced,   most refined,   fancy word,   refined and elegant