Arm twists are persuasive tactics used to make someone do something against their will. The antonyms for the term "arm twists" could be voluntary, consensual, or unforced. Voluntary means the person is willingly agreeing to do something without external influence or pressure. Consensual suggests mutual agreement between two parties to do something without manipulation. Unforced implies that no coercion or pressure has been used to get someone to do something. Using these antonyms of "arm twists" implies that the decision was made willingly and without any external pressure, providing a positive and assertive approach in communication.