affranchisement

The Webster's Online Dictionary defines affranchisement as "the act of making free".

A History of Ancient Greece explains that in the context of Ancient Greece, affranchisement came in many forms.

The work English Synonyms Discriminated explains that "affranchisement applies only to those who were parties to the compact dissolved, and deliverance only to those who were not parties".

In his book The Uprising of a Great People, author Agenor Gasparin (Mary Booth, translator) uses the term affranchisement in the context of the American freedom movement from the British Empire.