Finery (noun)

1. Fine clothing or adornments; the best of its kind.
2. Elaborate or showy display or decoration.

Origin:

Middle english: from old french finerie, from fin "fine".

Examples:

1. She wore her finery to the ball.
2. The king's finery included a gold crown and a jeweled robe.
3. The parade featured floats with colorful finery.
4. The finery of the wedding was extraordinary.
5. The room was decorated with finery and expensive furniture.