emancipate

Concise Oxford English Dictionary © 2008 Oxford University Press:
emancipate /ɪˈmansɪpeɪt/

▶verb set free, especially from legal, social, or political restrictions.

■ free from slavery.

■ Law set (a child) free from the authority of its parents.

– derivatives
emancipation noun,
emancipator noun,
emancipatory adjective.

– origin C17: from L. emancipat-, emancipare ‘transfer as property’, from e- ‘out’ + mancipium ‘slave’.