Found 2 items, similar to manumission.
English → English (WordNet) Definition: manumission manumission n : the formal act of freeing from slavery; “he believed in the manumission of the slaves”
English → English (gcide) Definition: Manumission Manumission \Man`u*mis"sion\, n. [L. manumissio: cf. F. manumission. See Manumit.] The act of manumitting, or of liberating a slave from bondage. “Given to slaves at their manumission.” --Arbuthnot. [1913 Webster]