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Use "authenticating" in a sentence
"It would be their responsibility to do a good job in authenticating it and explaining it."
"Finally we had a good conversation about the role of peer review and the responsibility of the reader in authenticating scholarship (in both science and humanities)."
"Decades from now, all those fading thumbprints alongside "Flowers, Gennifer" and "Lewinsky, Monica" will be of use in authenticating first editions, and only true sentimentalists will leave a similar smudge next to "Dole, Bob, 1996 election and.""