Source : Webster's Revised Unabridged Dictionary (1913)

Joke \Joke\, v. t. [imp. & p. p. {Joked}; p. pr. & vb. n.
   {Joking}.]
   To make merry with; to make jokes upon; to rally; to banter;
   as, to joke a comrade.

Source : WordNet®

joking
     adj : characterized by jokes and good humor [syn: {jesting}, {jocose},
            {jocular}]