Free means to release or let go.
To set free from confinement or bondage:
(Chem.) To free from combination in a compound
To undergo or cause the release of stored energy or electric charge, as from a battery or capacitor.
Find another word for set-free. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for set-free, like: free, release, liberate, discharge and give freedom to.