Counter-accusation is a term that refers to an accusation made in response to an initial accusation. The antonyms for the word counter-accusation can be numerous, depending on the context of the sentence. Some antonyms for counter-accusation could be defense, justification, exoneration, vindication, or acquittal. These antonyms imply a legal justification or defense in response to an accusation, proving one's innocence. However, in less formal contexts, antonyms for counter-accusation might include peace, reconciliation, or agreement, indicating a willingness to move past the accusation and seek understanding or harmony instead of escalating the conflict with a counter-attack.