legerdemain – sleight of hand; magic trick; trickery; deception
(Pronounced lej-er-duh-meyn)
To remember the definition of the word legerdemain, use the following mnemonic:
She is a legend, haven't you heard of her? She's mainly (legerdemain) known for slight of hand magic tricks.

Examples of legerdemain in a sentence
Her legerdemain was unmatched by any other magician.
His political legerdemain lead to the firing of the Prime Minister.
Any kind thing he did usually had some form of legerdemain behind it.