The phrase "freaking out on" denotes a state of panic or extreme agitation. Antonyms for this phrase include "calm down", "relax", "compose oneself", "restrain", "control", "manage", "regulate", "restrain", "soothe", and "quieter." When you find yourself "freaking out on" something, it often helps to take a deep breath and remind yourself that you are in control of your emotions. Practice relaxation techniques like meditation, yoga, or deep breathing exercises to help you stay grounded in the present moment. When you can learn to manage the intensity of your emotions, you can improve your overall mental and emotional wellbeing.