The correct antonym of the word 'AUDACITY' is (3) Humility.

1. Audacity: Audacity is a quality or trait characterized by boldness, daring, or a willingness to take risks, often in a manner that can be seen as impudent or lacking respect for authority or social norms. It implies a certain level of overconfidence and a disregard for potential consequences. For example, if someone speaks audaciously to a superior, they are displaying boldness that might be considered disrespectful.

2. Humility: Humility, on the other hand, is the opposite of audacity. It refers to a modest and unassuming attitude, where individuals recognize their limitations and don't display arrogance or excessive pride. Humble individuals are often polite, respectful, and not overly self-assured. They are willing to acknowledge their mistakes and learn from others.