Antonyms for the word 'were infuriated' could be 'calm', 'composed', 'peaceful', 'collected', 'serene', 'tranquil', 'relaxed', 'unperturbed', 'unruffled' and 'complacent'. At times, it is not easy to control our emotions, and we get infuriated by little things that are out of our control. However, it is essential to remain calm during difficult times to avoid any adverse effects on our mental and physical health. People who can maintain their composure during difficult situations are admired for their strength and resilience. Therefore, it is crucial to develop a calm and composed nature if one wants to deal with challenging circumstances with ease.