κραταιόω G2901
krataióō · krat-ah-yo'-o · Verb
from κραταιός; to empower, i.e. (passively) increase in vigor:--be strengthened, be (wax) strong.
4 Occurrences in the King James Bible
Luke 1:80And the child grew, and waxed strong in spirit, and was in the deserts till the day of his shewing unto Israel.
Luke 2:40And the child grew, and waxed strong in spirit, filled with wisdom: and the grace of God was upon him.
1 Corinthians 16:13Watch ye, stand fast in the faith, quit you like men, be strong.
Ephesians 3:16That he would grant you, according to the riches of his glory, to be strengthened with might by his Spirit in the inner man;