testifying
verb (present participle)UK /ˈtestɪfaɪɪŋ/
US /ˈtestɪfaɪɪŋ/
Telling people what you saw or know is true, especially in a court.
She was testifying in court about the car accident she saw.
OTHER MEANINGS
2. Showing or proving that something is true.
The many happy customers are testifying to the shop's good service.
3. Saying openly that you believe in or support something.
By volunteering every weekend, he is testifying to his love for animals.
4. Giving evidence as an expert in a trial.
The doctor was testifying about the patient's injuries.