There are no established antonyms for the word "circumnutates," as it is a scientific term used to describe the cyclical movement of plant stems towards the sun. However, there are several antonyms for the verb "circumvent," which is sometimes confused with "circumnutate." Antonyms for circumvent include comply, obey, follow, yield, surrender, and capitulate. These words describe actions that involve giving in or submitting to authority, rather than attempting to bypass or outsmart it. While circumnutation is a natural phenomenon, circumvention can be both positive and negative depending on the context in which it is used.