a plan, scheme, or trick for surprising or deceiving an enemy.

any artifice, ruse, or trick devised or used to attain a goal or to gain an advantage over an adversary or competitor

business stratagems.

noun

action , angle , artifice , bit , booby trap , brainchild , child , con , deception , device , dodge , feint , gambit , game , game plan , gamesmanship , gimmick , grift , intrigue , layout , little game , maneuver , method , one-upmanship , pitch , plan , play , plot , ploy , pretext , proposition , racket , ruse , scenario , scene , scheme , setup , shift , slant , stall , story , subterfuge , switch , twist , wile , imposture , jig , sleight , artfulness , chicanery , finesse , fraud , machination , tactic , trepan , trick