IPA: /ˈlɪbəreɪt/
KK: /ˈlɪbəˌreɪt/
To set someone or something free from control, oppression, or confinement.
The activists worked hard to liberate the prisoners from unjust detention.
Past: liberated
Past Participle: liberated
Liberate → It is formed from "liber" (meaning free) and "-ate" (a suffix used to form verbs). The word "liberate" means to make someone free or to set free.
Think of 'free' ('liber') and remember that to 'liberate' means to make someone free.