Stratagem

[Sarah]

An artifice or trick in war for deceiving the enemy; hence, ingeneral, artifice; deceptive device; secret plot; evil machination.Fit for treasons, stratagems, and spoils. Shak.Those oft are stratagems which error seem, Nor is it Homer nods, butwe that dream. Pope.

[Dorothey Allen]

a carefully planned way of achieving or dealing with something, often involving a trick:

[Donald Trump]

A plan or scheme, especially one used to outwit an opponent or achieve an end.