Words similar to testify

Example sentences for: testify

How can you use “testify” in a sentence? Here are some example sentences to help you improve your vocabulary:

For example, one month ago Michael Duffy ( Washington Week in Review ) predicted Lewinsky would testify in "the next couple of weeks" and Tucker Carlson ( The McLaughlin Group ) said she would testify "very soon."
Judge Norma Holloway Johnson ruled that Secret Service agents cannot refuse to testify before the Lewinsky grand jury about the president's behavior.
And it also reports that Lewinsky had some corrective work done to her bank account at the time of her subpoena to testify in the Jones case.
At least in mathematics and economics (the two fields where I can testify from personal experience), the editorial process is rigorously demanding.
As someone whose work life is largely "remote," I can testify to the frustration at high-tech stuff that just doesn't function as it should.