Source : Webster's Revised Unabridged Dictionary (1913)

Scheme \Scheme\, v. t. [imp. & p. p. {Schemed}; p. pr. & vb. n.
   {Scheming}.]
   To make a scheme of; to plan; to design; to project; to plot.

         That wickedness which schemed, and executed, his
         destruction.                             --G. Stuart.

Scheming \Schem"ing\, a.
   Given to forming schemes; artful; intriguing. --
   {Schem"ing*ly}, adv.

Source : WordNet®

scheming
     adj 1: used of persons; "the most calculating and selfish men in
            the community" [syn: {calculating}, {calculative}, {conniving},
             {shrewd}]
     2: concealing crafty designs for advancing your own interest;
        "a selfish and designing nation obsessed with the dark
        schemes of European intrigue"- W.Churchill; "a scheming
        wife"; "a scheming gold digger" [syn: {designing}]