"Gone to pot" is a colloquial expression used to describe something that has deteriorated or fallen into a state of disrepair. The antonyms of this phrase would therefore be words or phrases that suggest an improvement in condition or state. Some antonyms could include "recovered," "revived," "rejuvenated," "restored," "reinvigorated," or "rehabilitated." These words all suggest a reversal of the negative state of deterioration implied by "gone to pot." Other antonyms could include "improved, "renewed," "reconstructed," or "rehabilitated." Each of these antonyms suggests a positive change in the state or condition of something that has previously deteriorated, providing a hopeful alternative to the idea of something being "gone to pot.