Given to your beliefs. However, you have yet to define free will....
I have yet to say what the definition of "is" is, either. I just don't follow the purpose of these discussion when it degenerates into people attempting to redefine commonly used words and terms.
free will
Function: noun
Date: 13th century
1 : voluntary choice or decision I do this of my own free will
2 : freedom of humans to make choices that are not determined by prior causes or by divine intervention