The refutes of one's labor

In all the buzz about Sarah Palin using "refudiate" when she meant to use either "repudiate" or "refute," we shouldn't lose site of the fact that neither of the offered words would be a correct choice in her example. She said, about the plans for a mosque at Ground Zero, "Peaceful Muslims, pls refudiate." To repudiate doesn't mean to reject in general, but to reject the validity of something. I can reject your offer to buy me a sandwich. I can't repudiate (or refute) it. I can try to refu...