# testify

Pronunciation: US say "TES-ti-fy" /ˈtɛstɪfaɪ/; UK

## Verb

1. To make a declaration or give evidence under oath, as a sworn witness does.
   - Simple: To say what you know is true in court, after promising to be honest.
   - _He was called to testify before the grand jury last week._
   - _Several engineers testified that the bridge had serious structural flaws._
2. To serve as a sign or proof that something is true or exists.
   - Simple: To show or prove that something is true.
   - _The ancient ruins testify to a once-thriving civilization._
   - _His calm voice testified to years of training under pressure._
3. To make a statement about something based on personal knowledge or faith.
   - Simple: To say openly what you believe or know to be true.
   - _Believers often gather to testify about their personal experiences of faith._
   - _She testified that she had seen the recovery with her own eyes._

## Origin

From Middle English testifien, borrowed from Old French testifier, from Latin testificārī ("to bear witness"), which combines testis ("a witness") with facere ("to make").

Source: DictionaryAI, https://dictionaryai.com/define/testify (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).