To have interaction or to encounter or to see or wear a corsage when you are dreaming, can be interpreted as symbolism that an aspect of your character must be expressed. Maybe there is quality in you that is not recognized. And you are looking for the way of showing this characteristic to whole world around you. Do you want to be acknowledged and recognized? On the other hand, corsage in the dream can have different explanation, which means dignity, honour and self-confidence.
Dream dictionary: Corsage dream meanings
…For a young woman Dreaming that her bosom is wounded, foretells that some affliction is threatening her. To see it soiled or shrunken, she will have a great disappointment in love and many rivals will vex her. If it is white and full she is soon to be possessed of fortune. If her lover is slyly observing it through her sheer corsage, she is about to come under the soft persuasive influence of a too ardent wooer….