The term "acerebral" is derived from the prefix "a", meaning "without," and "cerebral", relating to the brain. Antonyms for this word would include words like cerebral, intelligent, smart, astute, sagacious, discerning, perceptive, intellectual, genius, brainy, knowledgeable, and insightful. Essentially, any word that implies a high level of intelligence, understanding, or cognitive functioning would be considered an antonym for acerebral. It's important to note that while being acerebral may be seen as negative, it's not always a bad thing, as some individuals may simply excel in other areas, such as emotional intelligence or physical ability.