Synonyms for Liberate (same or very similar meaning)
WordNet sense 1 (give equal rights to; of women and minorities):
emancipateWordNet sense 2 (grant freedom to):
set freeWordNet sense 3 (grant freedom to; free from confinement):
free, loose, release, unloose, unloosen, releaseFrom the ODE community, based on WordNetadd/edit