No, it is not. It is a verb form, the present participle of the verb to excite. It may be used (with varied meaning) as a noun or as an adjective.
Bored.
wow
excitment
it means excitment
they were looking for treasure and excitment.
excitment
they are wierdos who like the excitment
treats, excitment, walks
drool in anticipation
Any time!
people love the drama and excitment
It means to be excited for something or being proud or happy for