Strong's #1991: episterizo (pronounced ep-ee-stay-rid'-zo)
from 1909 and 4741; to support further, i.e. reestablish:--confirm, strengthen.
Thayer's Greek Lexicon:
̓́
epistērizō
1) to establish besides, strengthen more
2) to render more firm, confirm
Part of Speech: verb
Relation: from G1909 and G4741
Citing in TDNT: 7:653, 1085
Usage:
This word is used 4 times:
Acts 14:22: " Confirming the souls of the disciples, and exhorting them to continue in the"
Acts 15:32: "many words, and confirmed"
Acts 15:41: "Syria and Cilicia, confirming the churches."
Acts 18:23: "and Phrygia in order, strengthening all the disciples."