attest
verb (used with object)
to bear witness to; certify; declare to be correct, true, or genuine; declare the truth of, in words or writing, especially to affirm in an official capacity.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This despite the fact that, as recently as last year, they were attesting to their disinterest in recording in English just to score a U.S. chart-topper.
From Slate ● Sep. 3, 2020