Retrocedent is a term used to describe a person or entity that relinquishes control or power that was previously granted to them. Synonyms for retrocedent include relinquisher, renouncer, abdicator, ceder, and yielder. These words can be used interchangeably to describe someone who gives up something that they had previously held. Sometimes, retrocedent can also refer to a process or action that involves returning assets or property to a previous state or owner. In this context, synonyms for retrocedent include return, restore, reestablish, and hand back. Each of these words has a slightly different nuance, but they all point to the same idea of going back to a previous condition or state.