What's the word for : a sudden complete change of mind..?

Question

and could you use it in a sentence?

cheers

Answer 1

Umm... Fickle? XD

"Adam continued to insist that year-round school was pointless and a waste of time, but a week later when he found out that it meant you would get a break every few weeks he changed his mind--leading his peers to believe he was fickle and would not stand on one side for long."

/Fail

Answer 2

turnaround as in he did a complete turnaround in front of his boss.  

Answer 3

Epiphany! It's when you suddenly realize something out of the blue and it changes the way you think. Some people think it comes from divine intervention. Either way, its fun when it happens.

Here's a quote.

"I had an epiphany a few years ago where I was out at a celebrity party and it suddenly dawned on me that I had yet to meet a celebrity who is as smart and interesting as any of my friends." -  Moby, quoted on CNN.com, March 2005 American musician

Enjoy.

Good luck.

Answer 4

an Epiphany is a sudden realization, which is often associated with a change of mind.