obfuscate- [ob-fuh-skeyt, ob-fuhs-keyt]
1. to confuse, bewilder, or stupefy.
2. to make obscure or unclear: to obfuscate a problem with extraneous information.
3. to darken.
Used in a sentence: All his talking about how good it was to be home again only served to obfuscate his real motive, which was to borrow the new car.