Joke:

• Something said or done to provoke laughter
• brief oral narrative with a climactic humorous twist
• humorous or ridiculous element in something
• instance of jesting: kidding
  
  
  

Deception:

• Act of deceiving
• trick
• fraud
• double dealing
• subterfuge
• trickery
• deception may or may not imply blameworthiness, since it may suggest cheating or merely tactical resource
  
  
  

Deceive:

• to cause to accept as true or valid what is false or invalid
• to be false to