testimony
noun [ C or U ]
uk/ˈtestɪməni/ usplural testimoniesa formal statement about something, especially one given in a court of law:
to give/present/provide testimony
The court heard two days of testimony from environmental experts, activists, and lawyers.
Employees' testimonies could prove crucial for Gonzales, who is struggling to hold on to his job.
proof that something exists or is true:
be (a) testimony to sth Our advance in the face of relentless competition is a testimony to the commitment of our marketing division.
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testament
testimonial