Sentence:  For many youths, magical feats represent one of the most intriguing possibilities of Eastern disciplines. They offer the hope of beating science at its own game, on its own territory. The self-cure of cancer is such a case: how satisfying it would be to <WSD>disenthrone</WSD> all the oncologists in a single blow! 
Meaning of the word marked with <WSD> tags:  To remove (someone) from their position as monarch; to deprive of a position of supremacy.