The phrase "fall one lot" can be interpreted in different ways, but generally, it implies a sudden or significant decrease or decline in something. Antonyms for this phrase would be words that indicate growth, improvement, or increase. Examples of such antonyms include rise, climb, advance, gain, and progress. Other antonyms that might apply to the context of "fall one lot" include stability, predictability, and consistency. Using antonyms can help to express the opposite of the original meaning and provide a more nuanced and balanced perspective on a particular situation or topic.