emancipation

Etymology

1630, from French émancipation, from Latin ēmancipātiō. In the US, with reference to anti-slavery, abolitionism, first used in 1785 by Charles Godfrey Leland.. In Britain, with reference to easing of restrictions on Catholics, in 19th century.

noun

1. The act of setting free from the power of another, as from slavery, subjection, dependence, or controlling influence.
2. The state of being thus set free; liberation (used, for example, of slaves from bondage, of a person from prejudices, of the mind from superstition, of a nation from tyranny or subjugation).
   US President Abraham Lincoln was called the Great Emancipator after issuing the Emancipation Proclamation in 1863.