The students liberated their slaves upon graduating from the university.
source: WordNet 3.0
release (gas or energy) as a result of a chemical reaction or physical decomposition
source: WordNet 3.0
To release from restraint or bondage; to set at liberty; to free; to manumit; to disengage; as, to liberate a slave or prisoner; to liberate the mind from prejudice; to liberate gases.
