The phrase "authoritative commentator" is correct and usable in written English.
It can be used to describe someone who provides expert opinions or analysis on a particular subject, often in a public or media context.
Example: "As an authoritative commentator on climate change, she frequently appears on news programs to share her insights."
Alternatives: "expert analyst" or "trusted commentator".
To present Carter as an authoritative commentator on climate science may not be downright dishonest.
What you have to do is recover an older sense of probity and good order in the public finances and make Cipfa's voice heard again as the authoritative commentator on all matters financial.
Angus was in his element: he had become not only a senior editor at a time of critical importance for our native country in the runup to the independence referendum, but also a hugely respected, authoritative commentator on Scottish politics and society as a whole.
But since his appointment five years ago, the 41-year-old has emerged as one of the most authoritative commentators on Tory party politics, and earlier this month was named political journalist of the year at the British press awards.
The scriptures of a particular religion are also set in the context of generations of authoritative commentators who have interpreted difficult passages and clarified religious obligations.
Many authoritative commentators agree that analytic evaluation methods and tools are lacking [ 32- 34].
As authoritative commentators have observed, 'On current projections public expenditure in the UK appears likely to fall below that in the USA by 2014 or 2015.
The most authoritative Westminster commentators assure us that there is now no question of relaxing existing airport passenger checks – however "completely redundant" they may actually be.
I'm not an authoritative or reliable commentator on the dramatic scene, the social scene, any scene.
"Essentially, the cry of the poll is the last reaction before the despairing and destroyed lower-middle classes are driven to more violent reactions," wrote prominent commentator Stavros Lygeros in the authoritative Kathimerini newspaper.
Zeev Schiff, a leading military commentator and co-author of an authoritative study called "Intifada: Israel's Third Front," said many Israelis had become inured to the revolt.
