have faith in

have faith in (someone or something)

To have confidence in someone or something. I know you'll pass this test—I have faith in you. After being a lawyer for so many years, do you still have faith in the legal system?
See also: faith, have
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have faith in someone

to believe someone; to trust someone to do or be what is claimed. I have faith in you. I know you will try your best. We have faith in you and know you can do the job well.
See also: faith, have
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in periodicals archive ?
As we reflect on whether faith has a future, we need to think about whether we have faith in a future.
The future is opened up non-dogmatically, and we can choose, if we will, to have faith in the visions of possibility that it provides.
He taught me to have faith in the integrity of my inner voices, the characters who danced before my eyes, the integration of performance and cognition.