de·ter·mi·na·tive /di-'tər-mə-ˌnā-tiv, -nə-tiv/ adj: having the power or tendency to determine
a fact determinative of the issue
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.