aesthetical vs sophisticated

Of or pertaining to aesthetics. 

Aesthetic. 

Of or pertaining to beauty. 

Of art or other things: appealing to the tastes of an intellectual or sophisticated (sense 1) person; cerebral; also, cultured, elegant, refined. 

Of a person: having obtained worldly experience, and lacking naiveté; cosmopolitan, worldly-wise. 

Complicated, especially of complex technology.