'Strengthened' in the Bible

Then taking his hand Peter lifted him up, and immediately his feet and ankles were strengthened.

It is His name-- faith in that name being the condition--which has strengthened this man whom you behold and know; and the faith which He has given has made this man sound and strong again, as you can all see.

Everywhere they strengthened the disciples by encouraging them to hold fast to the faith, and warned them saying, "It is through many afflictions that we must make our way into the Kingdom of God."

And Judas and Silas, being themselves also Prophets, gave them a long and encouraging talk, and strengthened them in the faith.