form of government; polity
A formal term for the structure or system of government, often used in political science and constitutional contexts.
Japan's form of government is a constitutional monarchy.
Changing the polity requires constitutional amendment.
representative government
republican form of government; republican system
monarchy
democratic form of government; democracy (as a system)
parliamentary regime theory; political theory advocating a parliamentary system
constitutional monarchy
From 政 (government) + 体 (form, structure). The exact historical derivation is uncertain, but the compound is a standard Sino-Japanese term for 'polity' or 'form of government'.