Indisputable
Pronunciation : In*dis"pu*ta*ble
Part of Speech : a.
Etymology : [Pref. in- not + disputable: cf. F. indisputable.]
Definition : Defn: Not disputable; incontrovertible; too evident to admit of dispute.
Syn. -- Incontestable; unquestionable; incontrovertible; undeniable; irrefragable; certain; positive; undoubted; sure; infallible. -- In*dis"pu*ta*ble*ness, n. -- In*dis"pu*ta*bly, adv.
Source : Webster's Unabridged Dictionary, 1913