Women: Skip the modest gown in favor of a more fun, but still formal dress. You can also wear a formal knee-length dress, a satin ball-gown skirt with a cashmere sweater or blouse, or tuxedo pants ...

Not quite formal but no where near casual ... stick to midis or tea-length dresses that hit just about knee-length. Mini need not be ruled out either, but just make sure the silhouette you ...