1.try to stir up public opinion
2.cause to be agitated, excited, or roused;
The speaker charged up the crowd with his inflammatory remarks
3.exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for;
The liberal party pushed for reforms
4.move very slightly;
He shifted in his seat
5.move or cause to move back and forth;
The chemist shook the flask vigorously
6.change the arrangement or position of