Related Clues:

• Beyond "business casual"
• Three cardinals with boring clothing? Far from it
• Smart, formal
• Like pants worn to a gala
• Like the Met Gala
• Formal letter penned by GP, perhaps close to family
• Requiring a tux, say
• Stylish Tessa coming out of her shell, outwardly dull
• Stylish clothes, ultimately, dyer’s transformed
• Like a formal affair
• Flamboyant; swish
• Formal, as an affair
• (Of clothes) stylish
• Suit-able?
• Elaborate nest swallows case in slyness