Apodixis is a rare word that means "demonstration" or "proof". It can be helpful to have synonyms for this word to avoid excessive repetition and to express oneself with greater clarity and impact. Some synonyms for apodixis include "convincing evidence", "demonstrative proof", "indisputable evidence", "irrefutable proof", "compelling argument", "unquestionable evidence", "definitive proof", "decisive evidence" and "conclusive proof". Depending on the context of the usage, one synonym may be more appropriate than another. For example, "conclusive proof" may work better in a legal setting, while "compelling argument" may be more fitting in a debate.