Πίστις. From Hebrew אמוּנָה, basic sense is “support” from the verbal root אָמַן, “support” (BDB).

1. In an abstract sense, the quality of being supportive:

    1a. support, supportiveness

    1b. faithfulness (BDAG)

    1c. commitment (BDAG)

    1d. fidelity (BDAG)

    1e. loyalty (BDAG)

    1f.  reliability (BDAG)

    1g. trustworthiness (LSJ)

2. An unshakable, firm support, or pursuit of a goal:

    2a. steadfastness (BDB, Hebrew)

    2b. determination (firm or fixed intention to achieve a desired end)

3. Technical term: an office, ministry, or administration given to “supportive” men for the “support” of the people.

    3a. a trust

    3b. an office.

    3c. a responsibility

    3d. a position of trust (LSJ)

    3e. trusteeship (LSJ)

4. A pledge, oath, troth, or affirmation in support of an important truth, or important person:

    4a pledge (BDAG)

    4b oath (BDAG)

    4c troth (BDAG)

    4d proof (LSJ)

    4e assurance (given of a fact, LSJ)

    4f  argument (to prove something, LSJ)

5. The quality of being inwardly supported:

    5a courage

    5b firmness (BDB, Hebrew)

6. Something of value given as pledge:

    6a. bond (BDAG)

    6b. security (BDAG)

    6c. credit (LSJ)

    6d. that which is entrusted (LSJ)