Meaning of liberate

lib•er•ate

1. to set free, as from imprisonment or bondage.
2. to free (a nation or area) from control by a foreign or oppressive government.
3. to free (a group or individual) from social or economic constraints or discrimination, esp. arising from traditional role expectations or bias.
4. to disengage; set free from combination, as a gas.
5. to steal or take over illegally: The soldiers liberated a consignment of cigarettes.