1. Confidence or trust in a person or thing:
Faith in another's ability.

2. Belief that is not based on proof:
He had faith that the hypothesis would be substantiated by fact.

3. Belief in God or in the doctrines or teachings of religion:
the firm faith of the Pilgrims.

4. Belief in anything, as a code of ethics, standards of merit, etc.:
to be of the same faith with someone concerning honesty.

5. A system of religious belief:
the Christian faith; the Jewish faith.

6. The obligation of loyalty or fidelity to a person, promise, engagement, etc.:
Failure to appear would be breaking faith.


https://www.dictionary.com/browse/faith