Verses with the word strengthened in the New Testament (4 verses):
Acts 9:19
And when he had received meat, he was strengthened. Then was Saul certain days with the disciples which were at Damascus.
Ephesians 3:16
That he would grant you, according to the riches of his glory, to be strengthened with might by his Spirit in the inner man;
Colossians 1:11
Strengthened with all might, according to his glorious power, unto all patience and longsuffering with joyfulness;
2 Timothy 4:17
Notwithstanding the Lord stood with me, and strengthened me; that by me the preaching might be fully known, and that all the Gentiles might hear: and I was delivered out of the mouth of the lion.