[pby]

What is the hebrew word for "repented" here and what does it mean?

And how do you know that this passage is evidence of God making a mistake?

Does man not have free will to commit acts that are then punishable?

[Junior]

Dunno. However, many of the fundamentalists of my acquaintance consider the KJV to be the most accurate English translation. The translators used the word "repent" for a reason.