sophistication

considerable, great

growing, increased, increasing

cool

political, technical, technological

have

Her writing style has a sophistication that makes her essays stand out from her classmates.

lack

with ~

She approached the problem with a sophistication that surprised everyone in the room.

an air of sophistication

His simple apartment had an air of sophistication that impressed all his guests.

a degree/level of sophistication

Modern smartphones require a surprising degree of sophistication in their design and engineering.

a lack of sophistication

Her cooking showed a lack of sophistication, but her family loved the simple, homemade meals.

a veneer of sophistication

His expensive designer clothes provided only a thin veneer of sophistication that couldn't hide his nervousness.