Corrigendum is a term used to describe an error or mistake that needs to be corrected in a document or publication. Antonyms for corrigendum would be terms that suggest perfection or accuracy. Such words could include terms like correctness, flawlessness, exactness, and precision. These words imply that no errors or mistakes exist, and that everything is accurate and aligned with the expected standards. Opposites of corrigendum would also include terms like infallibility and impeccability, which suggest that there can be no errors or mistakes in a document or publication. Therefore, antonyms for corrigendum imply that the document or publication is already perfect and does not need any corrections.