DictionarygospelAccepted truth
noun

gospel

GAH-spul/ˈɡɑːspl/

A teaching, belief, or account accepted as unquestionably true.

The reader treats the book as gospel, dismissing a contradictory demonstration.

Treating a printed teaching as gospel: a reader confidently insists on a book's illustrated claim while dismissing a directly contradictory tabletop demonstration.
Etymology

Glad tidings and central doctrine developed into any teaching accepted as unquestionable truth.

More examples

  • She takes no prediction as gospel.
  • The rumor is repeated as gospel despite the evidence.

Forms

gospel

Similar words

dogma
A belief maintained with authority or certainty.
truth
Something regarded as factual, without necessarily unquestioning acceptance.