General terms:
* Rebuttal: This is a general term for a response that contradicts or refutes an argument.
* Counterargument: This term refers to an argument that opposes or contradicts another argument.
* Response: This is a broad term that simply means a verbal or oral reaction to an argument.
* Reply: Similar to response, but often implies a more direct and focused answer.
More specific terms:
* Refutation: This refers to a response that directly addresses and challenges the opposing argument's logic, evidence, or assumptions.
* Concession: This acknowledges a point made in the opposing argument but then proceeds to explain why it doesn't invalidate your own point of view.
* Counter-example: This provides an example that contradicts or undermines the opposing argument's claim.
* Appeal to authority: This uses the opinion of a respected expert to support your own viewpoint.
* Emotional appeal: This attempts to sway the audience by appealing to their emotions rather than logic.
The most appropriate term will depend on the specific context and the nature of the response.