Quote Originally Posted by CelestialStick
Humorous, but mistaken:

de·crypt vt
render an encoded text or message into plain language. See decode v. 1 See decode v. 2

Encarta® World English Dictionary © 1999 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Hmm, that's almost a good reason to assume the definition is buggy ;D .

Anyway, the words decipher, decrypt and decode can be used synonymously. Nontheless, this knowledge won't prevent from using this new meaning of de-crypt in a campaign : "Let's go de-crypt the countyside!" :D