Something to be believed; an article of faith.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "credendum" in a sentence
"Richard Dawkins, in keeping with the contemporary liberal credendum, assumes that there must be a gay gene."
"Turks especially deride, Christ's incarnation, resurrection of the body at the last day, quod ideo credendum (saith Tertullian) quod incredible, &c. many miracles not to be controverted or disputed of."
"Maxime suspiciosi, et ad pejora credendum proclives."