There are several synonyms for the phrase "your good health." Some of the most common ones include "your well-being," "your prosperity," "your fitness," and "your welfare." Each of these terms conveys the same general idea of wishing someone the best possible health and happiness. Other synonyms might include "your soundness," "your robustness," or "your vitality." Whatever the exact phrasing, the sentiment behind these well-wishes is always the same: a desire for the recipient to enjoy life to the fullest with a strong and healthy body and mind. So whether you say "your good health" or any of its many synonyms, the message remains clear: here's to a long and happy life!