Gambit meaning

an act or remark that is calculated to gain an advantage, especially at the outset of a situation.

"his resignation was a tactical gambit"

(in chess) an opening move in which a player makes a sacrifice, typically of a pawn, for the sake of a compensating advantage.

Take advantage for something 

Tripping out 

Calculated move

Synonymous:- stratagem, machination, scheme, plan, tactic, manoeuvre, move, course of action, line of action, device, operation.

clever action in a game or other situation that is intended to achieve an advantage