All 7 Uses

testify
in
I Am the Cheese
(Auto-generated)

To testify, in Washington.†
Chpt 23

testify = provide evidence of something -- especially oral evidence in court
A; He went to Washington, he testified, he gave evidence for investigators to follow up on.†
Chpt 23

testified = provided evidence of something -- especially oral evidence in court
A: From those they testified against.†
Chpt 23
The department had grown out of a sudden need as people began to testify against organized crime.†
Chpt 23

testify = provide evidence of something -- especially oral evidence in court
Weren't the people Dad testified against sent to jail?
Chpt 26 *

testified = provided oral evidence
The people your father testified against are members of a huge organization, linked perhaps with other organizations.†
Chpt 26

testified = provided evidence of something -- especially oral evidence in court
Because the people your father testified against have strong ties in New Orleans.†
Chpt 26

Definitions:

(1) (testify)
provide evidence of something -- especially to say something under oath in a court of law
(2) (meaning too rare to warrant focus)