INDISPUTABLE
indisputable, sure
(adjective) impossible to doubt or dispute; “indisputable (or sure) proof”
incontestable, indisputable, undisputable
(adjective) not open to question; obviously true; “undeniable guilt”; “indisputable evidence of a witness”
Source: WordNet® 3.1
Etymology
Adjective
indisputable (comparative more indisputable, superlative most indisputable)
Not disputable; not open to question; obviously true
Synonyms: inarguable, unarguable, unchallengeable
Source: Wiktionary
In*dis"pu*ta*ble, a. Etym: [Pref. in- not + disputable: cf. F.
indisputable.]
Definition: 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 Edition