Incontestability :: Incontestability (n.) The quality or state of being incontestable.
Incontestable :: Incontestable (a.) Not contestable; not to be disputed; that cannot be called in question or controverted; incontrovertible; indisputable; as, incontestable evidence, truth, or facts..
Intestable :: Intestable (a.) Not capable of making a will; not legally qualified or competent to make a testament.
Testable :: Testable (a.) Capable of being tested or proved.
Testable :: Testable (a.) Capable of being devised, or given by will..