Antonyms for "being convulsed" could include words that suggest stillness, calmness, and peace. Some possible antonyms might include "serenity," "tranquility," "quiet," "serene," "calm," or "relaxation." These antonyms suggest a state of being that is free from the intense physical and emotional turmoil that characterizes convulsions. Instead, they imply a sense of gentle ease, untroubledness, and tranquility. In contrast to the chaotic and turbulent nature of convulsion, these antonyms imply a sense of order and peacefulness, which can be a welcome relief from the distress experienced during convulsions.