Not into all black
Velvet, heavier satin, brocade, and long sleeves all come into their own
While specific interpretations may differ among companies and cultures, the term typically refers to a polished and professional appearance that is still somewhat comfortable and relaxed, rather than overly formal
According to the Metropolitan Museum of Art, Christian Dior was the first to name the early evening frock a cocktail dress in the late 1940s, and in doing so allowed magazines, department stores, and rival Parisian and American designers to promote fashion with cocktail-specific terminology. Diors New Look collection, which included dresses and blazer sets with cinched waistlines and voluminous skirts, defined a generation of style more versatile than ever before
If you're having a beach wedding, for example, a flowing, bohemian style dress might be more appropriate than a formal, traditional gown