The phrase "most eightysixed" means to completely eliminate or get rid of something. Some antonyms to consider for this phrase might include terms like "increase," "accumulate," or "preserve." These words all suggest the opposite of elimination or eradication - instead, they imply the idea of growth, accumulation, or retention. For example, rather than eightysixing an idea, a person might work to increase its relevance or value in a given context. Similarly, instead of getting rid of valuable resources, individuals might focus on preserving them for future use. Ultimately, the antonyms for "most eightysixed" emphasize the importance of building and maintaining, rather than eliminating or destroying.