The term "go seed" means to deteriorate or decline in quality, but there are several antonyms that describe regeneration and improvement. These words include "flourish," which means to grow or develop in a healthy manner, "prosper," which suggests success and good fortune, and "thrive," which connotes growth and vitality. Other antonyms for "go seed" include "rejuvenate," which means to restore to a youthful state or renew energy, and "revitalize," which suggests bringing new life or vigor to something. In short, there are many words that describe positive growth and improvement, which contrast with the negative connotations of "go seed.