Synonyms and related words :
affranchise, authorize, certificate, certify, charter, deliver, disenthrall, emancipate, empower, enable, entitle, extricate, franchise, free, give official sanction, give power, legalize, legitimize, liberate, license, manumit, patent, privilege, ratify, release, rescue, sanction, set at large, set at liberty, set free, validate, warrant