On television, he exudes confidence and authoritative judgment.
The role of Salieri demands a commanding and authoritative presence and this was supplied in abundance by Mark Craddock.
Stylistically, the filmmaking is assured, authoritative and straightforward.
But its contents elevate it to the status of an authoritative book.
Yet most students who enrolled in the new course saw the Internet as not only authoritative and reliable, but also comprehensive.
What marks it out from all other broadcasting organisations is that people trust implicitly that its journalism is impartial, authoritative and true.
So I simply pulled together some quotes - just the facts, taken from the most authoritative and reliable sources I could find.
On the other hand, we have normally acquired the relevant information from suitably authoritative sources, such as approved textbooks, and thus have reason to think it reliable.
For more information on calculus textbooks written in the nineteenth century, see the authoritative article by George Rosenstein.
The book remains the authoritative record of the hospital in its first hundred years.