sophisticated adjective APPROVING
having a good understanding of the way people behave and/or a good knowledge of culture and fashion
Sophisticated readers understood the book's hidden meaning.
Her witty conversation showed her to be very sophisticated.
What are sophisticated young people wearing nowadays?

(approving) If a way of thinking, a system or a machine is sophisticated, it is complicated or made with great skill.
I think a more sophisticated approach is needed to solve this problem.
The advanced technology which is incorporated into this missile makes it one of the most sophisticated weapons in the world.

sophistication noun [U] APPROVING
Her sophistication is evident from the way she dresses.
The sophistication of computers is increasing as their size decreases.

sophisticate noun [C] FORMAL ESPECIALLY APPROVING
A sophisticate is a person who is sophisticated.
a restaurant that is popular with sophisticates