Final answer:
The term 'abdicate' means to formally give up a position of power, specifically associated with monarchy. The correct answer from the provided options that means the same as 'abdicate' is 'Relinquish'.
Step-by-step explanation:
The term abdicate means to formally give up a position of power or responsibility. In the context of monarchy, when a king or queen abdicates, they are relinquishing their throne, often in favor of a successor or due to an inability or unwillingness to continue ruling. Considering the provided options A) Reign, B) Relinquish, C) Ascend, and D) Succeed, the correct answer that is synonymous with 'abdicate' is B) Relinquish.