Disdain : the feeling that someone or something is unworthy of one's consideration or respect.Depreciate : diminish in value over a period of time.Admiration : respect and warm approval.Penitence : the action of feeling or showing sorrow and regret for having done wrong; repentance.Contempt : the feeling that a person or a thing is worthless or beneath consideration.Antonym of Disdain is Admiration