ad. 无可争辩, 无可置疑

Indisputable \In*dis"pu*ta*ble\ (?; 277), a. [Pref. in- not +
disputable: cf. F. indisputable.]
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.