Sham

1. a. False; counterfeit; pretended; feigned; unreal; as, a sham fight.
2. n. That which deceives expectation; any trick, fraud, or device that deludes and disappoint; a make-believe; delusion; imposture, humbug.
3. n. A false front, or removable ornamental covering.
4. v. t. To assume the manner and character of; to imitate; to ape; to feign.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.