Synonyms of testify

testify

verb

ˈte-stə-ˌfī 

as in to swear

to make a solemn declaration under oath for the purpose of establishing a fact

several witnesses testified that they had seen the accused in the vicinity of the crime scene

Synonyms & Similar Words

• swear
• witness
• attest
• verify
• bear witness
• depose
• promise
• vouch
• vow

Example Sentences

Recent Examples of testify

The House began what looked like an aggressive investigation, but then abandoned the process without explanation after witnesses refused to testify. — Darryll K. Jones, The Orlando Sentinel, 6 Sep. 2026

Patrick Clancy testified at ex-wife's trial Patrick Clancy took the stand in late July, the first witness to testify in the murder trial. — Jeanine Santucci, USA Today, 5 Sep. 2026

Davis said that witnesses were dishonest about his character throughout the trial, including FBI agents and police officers who testified for the prosecution. — Daniel Kreps, Rolling Stone, 5 Sep. 2026

Subramanyam said his calls were monitored between March and May, noting that at the time the House Oversight and Government Reform Committee was pushing for former Attorney General Pam Bondi to testify. — Claire Carter, The Washington Examiner, 4 Sep. 2026

Phrases Containing testify

• testify (to)