Word me up, Scottie!

Question posed to me the other day: What is your favourite word?

Just one word? Any language? Got me thinking .... still am, dangerous past time I know. Yet to get an answer - far too many to choose from

What is your favourite word?

and because I'm a sweetheart,

Enjoy this link from the New York Times
Harry Potter - the unauthorised versions! (+ excerpts)

http://www.nytimes.com/2007/08/10/opinion/10potter.html?ex=1187409600&en=9c128077d9ef4074&ei=5070&emc=eta1