To create or alter in a simplified or sentimentalized fashion.
Dictionary.com gives the example of museums that disneyfy to attract more visitors.
Recently I blogged about the shift in the collection at the Baltimore Museum of Art.
Not an art historian myself, I wonder if this is an example of disneyfication.
I believe it is safe to assume that the origin of today’s word is Disney, the famous entertainment company that began with a cartoon mouse.
I recommend the inspirational film Walt Before Mickey.