The phrase "authoritative hands" is correct and usable in written English.
It can be used to describe someone who has the power or expertise to make decisions or take control in a situation.
Example: "The project was finally in authoritative hands, ensuring that it would be completed on time and to the highest standards."
Alternatives: "expert hands" or "trusted hands".
He also possesses a watchful gravity and, shockingly, the large, authoritative hands of a real wizard.
In the authoritative hands of conductor Edward Gardner, Britten's score flares, sparks and fractures with white heat and luminescence.
It's also the experience of being in Blume's authoritative hands, reading a dramatic story about daily life told in a funny, orderly, honest style.
Tenor Benjamin Hulett and sopranos Sophie and Mary Bevan all projected the English words with intelligent, expressively shaped phrasing, and, in Gardner's authoritative hands, new life was breathed into a work that suddenly seemed wrongly neglected.
In the authoritative hands of Sviatoslav Richter, these sonatas are at once brilliant statements of explosive, steel-girded pianism and transcendent annotations of the composer's most trying hours during World War II.
Paul Kagame continues to run the country with a strong authoritative hand, very little political dissidence is allowed, and press freedom is limited.
He stopped me with an authoritative outstretched hand.
And of course his authoritative pose with his hands on his lapels, which makes him feel in charge of things.
It's a big difference," he said, finishing with an authoritative flourish of the hand.
He suggested, a few years ago, that he probably would not have been handed the "authoritative" role of head of intelligence David Estes in the hit US series if the show had been produced in the UK.
On the other hand, the authoritative fourth edition of the American Psychiatric Association's Diagnostic and Statistical Manual (DSM-IV) nowhere mentions "addiction".
