1. indubitable - Noun
2. indubitable - Adjective
3. indubitable - Adjective Satellite
Not dubitable or doubtful; too evident to admit of doubt; unquestionable; evident; apparently certain; as, an indubitable conclusion.
That which is indubitable.
Source: Webster's dictionaryPhilosophy ... is a science, and as such has no articles of faith; accordingly, in it nothing can be assumed as existing except what is either positively given empirically, or demonstrated through indubitable conclusions. Arthur Schopenhauer
There is one evident, indubitable manifestation of the Divinity, and that is the laws of right which are made known to the world through Revelation. Leo Tolstoy
[The mathematical character of Descartes' physics lies in its methodological nature, namely, the] axiomatic structure of the whole system, in the establishment of indubitable foundations and the deduction of the phenomena. Eduard Jan Dijksterhuis
It’s Indubitable that Osama bin laden is a muslim but doesn’t mean his “actions” are typically of the purists. Source: Internet
The result was his cogito ergo sum – 'I think therefore I am', or the belief that he was thinking – as his indubitable belief suitable as a foundation for knowledge. Source: Internet
Lemos 2007, pp. 50-51 Laurence BonJour has argued that the classical formulation of foundationalism requires basic beliefs to be infallible, incorrigible, indubitable, and certain if they are to be adequately justified. Source: Internet