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.

grant freedom to; free from confinement

grant freedom to; "The students liberated their slaves upon graduating from the university"

Liberate is the middleware/platform currently used by the cable operators NTL and Telewest.

Liberate is Disturbed's last single on their second album Believe.

give equal rights to; of women and minorities