Disney Catered Events recently showcased an Alice in Wonderland private event option for Walt Disney World:

Quote Originally Posted by Disney Parks & Resorts

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... if you decide to plan an “Alice in Wonderland”-themed event for your group at a Disney destination, there are plenty of ways to bring extra magic to your event. With special Character appearances, captivating table effects, and other interactive, whimsical elements, the possibilities are endless!

For more information on how to create and book your own custom celebration for a private event, please call 321-939-4648.
Although the event appears to be customizable (thereby affecting the price), it should be assumed that the lack of a price range indicates that these are relatively high priced events .