Otherwise, your only option is to sell the iPad and buy a new one.
Apple Reuse and Recycle Program
http://store.apple.com/us/browse/reuse_and_recycle
How to Sell Your Old iPad http://tinyurl.com/85d69lk
Other sources to sell.
eBay Instant Sell http://instantsale.ebay.com/?search=ipad
Sell and Recycle Used Electronics - Gazelle http://www.gazelle.com/
For instant gratification in selling a used iPhone or iPad, Gazelle’s Gadget Trader, an iOS app, is tough to beat. In seconds it detects the device and reveals how much it is worth in good condition. Tap the Sell This Phone to Gazelle button and the deed is done.
Sell Electronics for Cash - Next Worth http://www.nextworth.com/
Buy My Tronics http://www.buymytronics.com/
Sell Your iPad http://www.sellyourmac.com/mac-product-guides/ipad.html
Totem http://www.hellototem.com/
How To Sell Your Old iPad: 5 Places To Trade In Your Old Device
http://www.huffingtonpost.com/2013/11/05/ipad-trade-in_n_4218964.html
THIS IS VERY IMPORTANT - What to do before selling or giving away your iPhone, iPad, or iPod touch
http://support.apple.com/kb/HT5661
Find My iPhone Activation Lock: Removing a device from a previous owner’s account
http://support.apple.com/kb/ts4515
Buying or Selling a Used iPhone or iPad Running iOS 7? Read This First!
http://www.makeuseof.com/tag/buying-or-selling-a-used-iphone-running-ios-7-read- this-first/
Cheers, Tom