The antonyms for the word "wast terror-stricken" would be calm, composed, unafraid, or unworried. These words denote a state of mind that is free from fear, anxiety or any feeling of terror. Being calm and composed in the face of adversity is highly valued and is indicative of mental strength and resilience. When one is unafraid, they can face any situation with confidence, and this sets them apart from those who are terror-stricken. By focusing on the positive, calming aspects of life, one can maintain a more balanced outlook, and this can help them function better in all areas of life, including relationships, work, and leisure.