- past perfect of authenticate.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The next day, the open-source research outfit Bellingcat said it had authenticated a video showing a Tomahawk missile strike next to the school in Minab.
From Salon • Mar. 11, 2026
In September 2021, however, Politico reported that it had authenticated some of the material on the laptop.
From Washington Times • Nov. 22, 2022
Mrs. Peter gave Templeman the information for the text, telling her that she and her husband had authenticated its veracity.
From Washington Post • Mar. 11, 2022
The auction house Sotheby’s said it had authenticated what was “an extraordinary re-emergence” of drawings by one of Britain’s most important artists.
From The Guardian • Nov. 22, 2020
"At last," exclaimed the mayor as he shook the ink from the pen with which he had authenticated the protocol.
From Told by the Death's Head A Romantic Tale by J?kai, M?r