righteousa.[OE. rightways, rightwise, AS. rightws; riht right + ws wise, having wisdom, prudent. See Right, a., Wise, a.] Doing, or according with, that which is right; yielding to all their due; just; equitable; especially, free from wrong, guilt, or sin; holy; as, a righteous man or act; a righteous retribution.()Fearless in his righteous cause. (Milton.)()