The antonyms for the phrase "more on the fence" could be confident, resolute, or determined. When someone is confident, they have a strong belief in themselves and their opinions. They are not indecisive or uncertain about their stance. Similarly, when someone is resolute, they are unwavering and steadfast in their beliefs. They do not vacillate or second-guess themselves. Finally, someone who is determined has a clear goal and is focused on achieving it. They do not hesitate or doubt themselves. By understanding the antonyms for "more on the fence," we can strive to be more decisive and self-assured in our opinions and actions.