Webster's Revised Unabridged Dictionary · 1913

Faith

Faith (fāth) , noun

[Old English feith, fayth, fay, Old French feid, feit, fei, French foi, from Latin fides; akin to fidere to trust, Greek pei`qein to persuade. The ending th is perhaps due to the influence of such words as truth, health, wealth. See Bid, Bide, and compare Confide, Defy, Fealty.]

1.
Belief; the assent of the mind to the truth of what is declared by another, resting solely and implicitly on his authority and veracity; reliance on testimony.
2.
The assent of the mind to the statement or proposition of another, on the ground of the manifest truth of what he utters; firm and earnest belief, on probable evidence of any kind, especially in regard to important moral truth.
Faith, that is, fidelity, -- the fealty of the finite will and understanding to the reason. — Coleridge
3.
(a) (Judeo-Christian Theology) The belief in the historic truthfulness of the Scripture narrative, and the supernatural origin of its teachings, sometimes called historical and speculative faith.
(b)
(Judeo-Christian Theology) The belief in the facts and truth of the Scriptures, with a practical love of them; especially, that confiding and affectionate belief in the person and work of Christ, which affects the character and life, and makes a man a true Christian, -- called a practical, evangelical, or saving faith.
Without faith it is impossible to please him [God]. — Heb. xi. 6
The faith of the gospel is that emotion of the mind which is called “trust” or “confidence” exercised toward the moral character of God, and particularly of the Savior. — Dr. T. Dwight
Faith is an affectionate, practical confidence in the testimony of God. — J. Hawes
4.
(Theology) That which is believed on any subject, whether in science, politics, or religion; especially (Theology), a system of religious belief of any kind; as, the Jewish or Muslim faith; the Christian faith; also, the creed or belief of a Christian society or church.
Which to believe of her, Must be a faith that reason without miracle Could never plant in me. — Shakespeare
Now preacheth the faith which once he destroyed. — Gal. i. 23
5.
Fidelity to one's promises, or allegiance to duty, or to a person honored and beloved; loyalty.
Children in whom is no faith. — Deut. xxvii. 20
Whose failing, while her faith to me remains, I should conceal. — Milton
6.
Word or honor pledged; promise given; fidelity; as, he violated his faith.
For you alone I broke me faith with injured Palamon. — Dryden
7.
Credibility or truth. [Rare]
The faith of the foregoing narrative. — Mitford
Collocations (4)
Act of faith , See Auto-da-fé.
Breach of faith or Confession of faith , etc. See under Breach, Confession, etc.
Faith cure , a method or practice of treating diseases by prayer and the exercise of faith in God.
In good faith , with perfect sincerity.

Faith , interjection

By my faith; in truth; verily.