faith

[feyth]

–noun

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.

7. the observance of this obligation; fidelity to one’s promise, oath, allegiance, etc.: He was the only one who proved his faith during our recent troubles.

8. Christian Theology . the trust in God and in His promises as made through Christ and the Scriptures by which humans are justified or saved.

—Idiom
9. in faith, in truth; indeed: In faith, he is a fine lad.