deceit

noun

1. 1

   An act or practice intended to deceive; a trick.

   “The whole conversation was merely a deceit.”

2. 2

   An act of deceiving someone.

3. 3

   The state of being deceitful or deceptive.

4. 4

   The tort or fraudulent representation of a material fact made with knowledge of its falsity, or recklessly, or without reasonable grounds for believing its truth and with intent to induce reliance on it; the plaintiff justifiably relies on the deception, to his injury.