The term REGENCY has four crossword solutions: GOVERNMENT (10 letters), AUTHORITY (9 letters), DOMINION (8 letters), and HYATT (5 letters). GOVERNMENT refers to the system of governing a state or nation, while AUTHORITY is the power to enforce laws, give orders, and make decisions. DOMINION is a territory or region that is under the control of a ruler or GOVERNMENT, and HYATT is a hotel chain. All four terms are related to the concept of REGENCY, which is a period of time when a regent governs a kingdom in the absence of the monarch.