Synonyms of the word 
MANUMIT → EMANCIPATE - LIBERATE
manumit
- v. To release from slavery, to free.
emancipate
- v. To set free from the power of another; to liberate; as.
- v. To free from any controlling influence, especially from anything which exerts undue or evil influence.
- adj. Freed; set at liberty.
liberate
- v. (transitive) To set free, to make or allow to be free, particularly.
- v. (transitive, military, euphemistic) To acquire from an enemy during wartime, used especially of cities,…
- v. (transitive, euphemistic) To acquire from another by theft or force: to steal, to rob.
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