Is disbelievement a valid word? if not, what word could I use instead?

Question

Is disbelievement a valid word? if not, what word could I use instead?
It is being used as a noun in this context: The disbelievement of the people...

Ms. Sue · Accepted Answer

I couldn't find disbelievement -- so I suggest you not use it. The disbelief of the people . . . would be much better.

Reed · Answer

http://www.merriam-webster.com/dictionary/disbelief

blah blah · Answer

disbelievement is not a word, but you could make it one, like in the frindle! haha

DR · Answer

Believe this: the correct word is: d-i-s-b-e-l-i-e-f