(1):

(n.) The act of adorning, embellishing, or honoring; ornamentation.

(2):

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

(3):

(n.) 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.