Delegacy is defined as a group of people who have been delegated to represent a larger group. However, there are plenty of other words that can be used to convey the same idea. For example, delegation, representation, envoy, mission, commission, emissary, or delegation of power, all of these synonyms can refer to the act of selecting individuals to represent a group or organization. So, whether you're looking to describe a political delegation or simply the act of appointing representatives, there are plenty of synonyms to choose from that can help convey the same message as delegacy.