transfer; "The spy sent the classified information off to Russia"
to cause or order to be taken, directed, or transmitted to another place; "He had sent the dispatches downtown to the proper people and had slept"
cause to go somewhere; "The explosion sent the car flying in the air"; "She sent her children to camp"; "He directed all his energies into his dissertation"
make a counterattack and return like for like, especially evil for evil; "The Empire strikes back"; "The Giants struck back and won the opener"; "The Israeli army retaliated for the Hamas bombing"