Verses with the word manifestation in the New Testament (3 verses):

Romans 8:19
For the earnest expectation of the creature waiteth for the manifestation of the sons of God.

1 Corinthians 12:7
But the manifestation of the Spirit is given to every man to profit withal.

2 Corinthians 4:2
But have renounced the hidden things of dishonesty, not walking in craftiness, nor handling the word of God deceitfully; but by manifestation of the truth commending ourselves to every man's conscience in the sight of God.