An outfit or a disguise worn as fancy dress etc.
A style of dress, including garments, accessories and hairstyle, especially as characteristic of a particular country, period or people.
A set of clothes appropriate for a particular occasion or season.
To dress or adorn with a costume or appropriate garb.
A broad sash, especially one that is pleated lengthwise and worn as an article of formal dress, as around a man's waist together with a tuxedo or dinner jacket.