Genius

From Tardis Wiki, the free Doctor Who reference
Genius

A genius was someone who demonstrated exceptional intelligence. Coal Hill science teacher Ian Chesterton believed his student Susan Foreman to be a genius. (TV: An Unearthly Child)

The Tenth Doctor told John Lumic that he would call him a genius "except I'm in the room." (TV: The Age of Steel) He later refered to William Shakespeare as "a genius. The genius." (TV: The Shakespeare Code)