Strong's G4100 — πιστεύω (verb)
pisteuo (pist-yoo'-o) v.
1. to have faith (in, upon, or with respect to, a person or thing), i.e. credit
2. (by implication) to entrust (especially one's spiritual well-being to Christ)
[from G4102]
KJV: believe(-r), commit (to trust), put in trust with 
Root(s): G4102 
Hebrew root: πείθω
Occurrences: 241