Synonym of FAITH

Proof
Belief
Repose
Trust

The correct answer is B. Belief.

Faith is a strong belief in something for which there is no proof. It is a trust or confidence in someone or something.

Proof is evidence that establishes or helps to establish a fact or the truth of a statement.

Repose is a state of rest or relaxation.

Trust is a firm belief in the reliability, truth, ability, or strength of someone or something.

In this case, the word “faith” is used in the sense of a strong belief in something for which there is no proof. The other options do not convey this meaning.