English

Noun

indubitability ‎(countable and uncountable, plural indubitabilities)

1. The quality or state of being indubitable.
   • 2008 September 12, Hamid Vahid, “Experience and the Space of Reasons: The Problem of Non-Doxastic Justification”, in Erkenntnis, volume 69, number 3, DOI:10.1007/s10670-008-9121-2:

     Thus, epistemic justification is thought to be supervenient on such properties as indubitability, coherence, being appropriately caused by experience, being produced by a reliable process, and so on.

2. Something that cannot be doubted; a certainty.