Strong's #4104: pistoo (pronounced pis-to'-o)

from 4103; to assure:--assure of.

Thayer's Greek Lexicon:

́

pistoō

1) to make faithful, render trustworthy

1a) to make firm, establish

2) to be firmly persuaded of

2a) to be assured of

Part of Speech: verb

Relation: from G4103

Citing in TDNT: 6:174, 849

Usage:

This word is used 1 times:

 

2 Timothy 3:14: "the things which thou hast learned and hast been assured of, knowing of whom thou hast learned"