What was meant by the enlightenment

1.
the action of enlightening or the state of being enlightened.
"Robbie looked to me for enlightenment"
2.
a European intellectual movement of the late 17th and 18th centuries emphasizing reason and individualism rather than tradition. It was heavily influenced by 17th-century philosophers such as Descartes, Locke, and Newton, and its prominent exponents include Kant, Goethe, Voltaire, Rousseau.

a European intellectual movement of the late 17th and 18th centuries emphasizing reason and individualism rather than tradition. 

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Ithink it is a i’m not sure.