Incensement is a term that is not widely used in everyday language, but when it is used it refers to the act of becoming angry or irritated. The opposite of incensement is calmness or peace, which is the state of being free from disturbance or anger. Other antonyms for the word incensement include serenity, tranquility, and composure. These terms describe a state of mind that is not easily disturbed by external factors or emotions. When one is in a state of tranquility, they are able to remain calm and composed even in the face of provocation or irritation. Antonyms for incensement can help us understand how to deal with negative emotions and work towards a more peaceful state of mind.