The Collaborative International Dictionary
Controvertible
Controvertible \Con`tro*ver"ti*ble\, a. Capable of being controverted; disputable; admitting of question. -- Con`tro*ver"ti*bly, adv.
Wiktionary
controvertible
a. Open to questioning; that which can be denied, challenged, or disputed.
Usage examples of "controvertible".
And why do certain facts remain in controvertible, while others lose their validity to assume a shabby, unstable character?
Any controvertible claim to have discovered telepathy would, therefore, be surely controverted.