The word "arrestations" refers to the act of arresting or capturing someone. Antonyms for this word would be words that have opposite meanings or indicate the opposite action. Some antonyms for "arrestations" could include "release," "liberation," "freedom," "discharge," "disentangle," "disembarrassment," "emancipation," and "deliverance." These words all suggest freedom of movement or release from confinement, which is the opposite of being arrested or held captive. Other antonyms could include "let go," "discharge," "unloose," "unfasten," "untie," and "unleash." These words suggest letting someone or something go, which again is the opposite of arresting someone.