Enlightened absolutism (also called enlightened despotism or enlightened absolutist) refers to the conduct and policies of European absolute monarchs during the 18th and 19th centuries who were influenced by the ideas of the Enlightenment, espousing them to enhance their power.

The difference between an absolutist and an enlightened absolutist is based on a broad analysis of the degree to which they embraced the Age of Enlightenment. The leading European economists of her day became foreign members of the Free Economic Society, established on her suggestion in Saint Petersburg in 1765. In the ensuing Peace of Hubertusburg, Prussia retained Silesia and East Prussia, and Saxony was accorded independence. Perseveringly and imaginatively, Frederick marched his outnumbered troops from one corner of his kingdom to another, resisting one enemy force after the next. Catherine established the Smolny Institute for Noble Girls to educate females. Frederick did not see ordinary people to be able to comprehend the intrigues of administrative affairs and philosophy. [10].

Enlightened despots held that royal power emanated not from divine right but from a social contract whereby a despot was entrusted with the power to govern in lieu of any other governments. Joseph was a proponent of enlightened despotism, but his commitment to modernizing reforms engendered significant opposition, which eventually culminated in a failure to fully implement his programs. Moreover, Great Britain, under George II, seeking an effective continental ally against France, seemed to be moving closer to Maria Theresa and Elizabeth. During his 40-year reign, Frederick II vastly increased Prussia's wealth, doubled its size, recast it into a hub of culture and learning, and made it a great military power. Voltaire, who had been imprisoned and maltreated by the French government, was eager to accept Frederick's invitation to live at his palace.

The British government generally ignored the Enlightenment's leaders. To equalize the incidence of taxation, Joseph ordered an appraisal of all the lands of the empire to impose a single egalitarian tax on land. He was rescued from this threatening situation by the prowess of his army; victories at Hohenfriedberg in June 1745 and at Soor in September were followed by a Prussian invasion of Saxony. [1] The concept originated during the Enlightenment period in the 18th and into the early 19th centuries. Moreover, the elector Augustus III (king of Poland and the elector of Saxony) now joined Maria Theresa in attacking him in Silesia.

These years were perhaps the happiest that Frederick ever experienced. [14], Charles III, king of Spain from 1759 to 1788, tried to rescue his empire from decay through far-reaching reforms such as weakening the Church and its monasteries, promoting science and university research, facilitating trade and commerce, modernizing agriculture and avoiding wars.