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

Luke 22:59
And about the space of one hour after another confidently affirmed, saying, Of a truth this fellow also was with him: for he is a Galilaean.

Acts 12:15
And they said unto her, Thou art mad. But she constantly affirmed that it was even so. Then said they, It is his angel.

Acts 25:19
But had certain questions against him of their own superstition, and of one Jesus, which was dead, whom Paul affirmed to be alive.