adjective
referring to or characteristic of the upper class or a refined upbringing; polite, refined, or respectable in an affected or ostentatious way
The genteel lady greeted everyone at the party with a warm smile.
She comes from a very genteel family, always hosting elegant dinners.
That new boutique is so genteel, I love their trendy clothes.
His writing style is very genteel, with a touch of sophistication and grace.