Counterplot /(koun`t?r-pl?t")/

Coun·ter·plot

Counterplot

v. t.

imp. & p. p. Counterplotted; p. pr. & vb. n. Counterplotting

  1. To oppose, as another plot, by plotting; to attempt to frustrate, as a stratagem, by stratagem.
    Every wile had proved abortive, every plot had been counterplotted.
    — De Quinsey.

Counterplot

n.
  1. A plot or artifice opposed to another.