Strong's G4135 — πληροφορέω (verb)
plerophoreo (play-rof-or-eh'-o) v.
1. to carry out fully (in evidence), i.e. completely assure (or convince), entirely accomplish
[from G4134 and G5409]
KJV: most surely believe, fully know (persuade), make full proof of 
Root(s): G4134, G5409 
Hebrew root: φορέω
Occurrences: 6