What does "parliamentarism" mean?

The system of government in which the executive branch is legitimised by parliament.

What is a synonym for "parliamentarism"?

Common synonyms include: collectivism, communism, fascism, federalism, feudalism, imperialism.

noun

noun ·Rare ·Advanced level

Noun

1
The system of government in which the executive branch is legitimised by parliament. uncountable, usually
"England was the historical model for the adoption of parliamentarism and party government in Germany."

"England was the historical model for the adoption of parliamentarism and party government in Germany."

From parliamentary + -ism.