The word "am convulsed" refers to a state of involuntary muscular contractions that cause violent shaking of the body. When looking for antonyms for this phrase, one might consider words that denote the opposite of convulsions or seizures. Some possible antonyms could include calm, peaceful, relaxed, settled, and steady. These words suggest a sense of composure and stability rather than the intense physical agitation implied by the term "am convulsed." By using these words, one can convey a sense of tranquility and serenity that stands in opposition to the tumultuous and disruptive state of convulsions.