πίστις (pístispis'-tisnounfaith)
[Grk] πίστις LN: 31.43, 31.85, 31.88, 31.102, 31.104, 33.289 GK: G4411 Hebrew: אֱמוּנָה
Derivation: from πείθω;
Strong's: persuasion, i.e. credence; moral conviction (of religious truth, or the truthfulness of God or a religious teacher), especially reliance upon Christ for salvation; abstractly, constancy in such profession; by extension, the system of religious (Gospel) truth itself
KJV: --assurance, belief, believe, faith, fidelity.
See: πείθω