However, depending on the context, some words that could be considered opposite in meaning include:
* Denial: A statement that something is not true, contradicting the claims in an affidavit.
* Refutation: A detailed argument that disproves the claims made in an affidavit.
* Contradiction: A statement that directly opposes the claims made in an affidavit.
* Disavowal: A statement that rejects responsibility for or connection to the claims made in an affidavit.
* Retraction: A formal withdrawal of a statement made in an affidavit.
It's important to remember that the best antonym will depend on the specific situation and what aspect of the affidavit you want to contradict.