The Collaborative International Dictionary of English v.0.48:

Outgeneral \Out*gen"er*al\, v. t. [imp. & p. p. Outgeneraledor
   Outgeneralled; p. pr. & vb. n. Outgeneraling or
   Outgeneralling.]
   To exceed in generalship; to gain advantage over by superior
   military skill or executive ability; to outmaneuver.
   --Chesterfield.
   [1913 Webster]