Decoration

The act of adorning, embellishing, or honoring; ornamentation.

That which adorns, enriches, or beautifies; something added by way of embellishment; ornament.

Specifically, any mark of honor to be worn upon the person, as a medal, cross, or ribbon of an order of knighthood, bestowed for services in war, great achievements in literature, art, etc.

something used to beautify