I saw...books being borrowed from the library by gentlemen of soigné appearance.
-- W.G. Sebald, Austerlitz, 2001
A moment later the lights dimmed, the orchestra struck up the prelude and the curtain slid smoothly up. Later, during the intermission, Hearn took a cup of hot chocolate and mingled with the soigné crowd.
-- Eric Van Lustbader, The Bourne Legacy, 2010
Soigné came to English in the 1800s from the French word soigner meaning "take care of."