corroboration, corroborate - noun

Corroboration: the act of making more certain, the act of corroborating.

verb

Corroborate: to make more certain, to confirm; to strengthen or support with other evidence.

A newly released video that was obtained by Britain's Channel 4 and broadcast Monday cast doubt on the government's claims and appeared to corroborate witnesses' stories. The footage appeared to show a gunman and a suspected suicide bomber approaching Bhutto's sport-utility vehicle. Seconds later, the video showed gunfire and Bhutto's hair and scarf being blown back just as a bomb explodes.

—Emily Wax and Griff Witte
“Doctors Cite Pressure to Keep Silent on Bhutto”
Washington Post, January 1, 2008

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