Being terror-stricken is a common feeling that most people experience at some point in their lives. However, there are a number of antonyms for this feeling that can help to alleviate the fear and anxiety that accompanies it. Some of the most common antonyms for being terror-stricken include feeling calm, composed, relaxed, and tranquil. These emotions can be achieved through a variety of techniques, such as deep breathing, meditation, exercise, or simply taking a moment to pause and reflect on the situation. With practice, it is possible to overcome feelings of terror and find peace and serenity in even the most difficult of circumstances.