noun.
The act or practice of duping; the condition of being deceived.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
something intended to deceive; deliberate trickery intended to gain an advantage
Word Usage
"Rebecca turns to deception in order to correct her husband's blindness -- more metaphorical than literal -- and give the blessing to its more deserving recipient, Jacob, whom she now ropes into the dupery."