72 Words and Phrases invented by William Shakespeare

A foregone conclusion
A tower of strength
Act more in sorrow than in anger
Alligator
As luck would have it
Be that as it may
Bid me good riddance
Blinking idiot
Bloodstained
Bloody-minded
Brave new world
Bump
But me no buts
By Jove!
Clear out bag and baggage
Cold comfort
Danced attendance (on your lord and master)
Dead as a doornail
Devil incarnate
Eyesore
Fair play
For goodness' sake!
Give the devil his due
Gloomy
Had short shrift
High time
Hobnob
Hoodwinked
If the truth were known
In a pickle
It is all one to me
It is early days
It's all-Greek to me
Knitted your brows
Laughed yourself into stitches
Laughing stock
Lie low till the crack of doom
Lived in a fool's paradise
Lonely
Lost property
Made a virtue of necessity
More fool you
More sinned against than sinning
Mountaineer
Murder most foul
O Lord!
One fell swoop
Own flesh and blood
Played fast and loose
Refused to budge an inch
Salad days
Seen better days
Send me packing
Slept not one wink
Stony-hearted villain
Stood on ceremony
Suffered from green-eyed jealousy
Surely you have a tongue in your head
Suspect foul play
Teeth set on edge
That is the long and short of it
The game is up
The truth will out
Toil
Tongue-tied
Too much of a good thing
Tut, tut!
Vanished into thin air
Watchdog
What the dickens!
Without rhyme or reason
Your wish is father to the thought

For a more academic view on this subject visit: http://en.wikipedia.org/wiki/List_of_English_Words_Invented_by_Shakespeare

where 430 words are listed thought to originate from the bard.

(Pictures: Paul Sorvino as Fulgencio Capulet in Romeo and Juliet, and Al Pacino as Shylock in The Merchant of Venice)