exert force on (someone or something), typically with one's hand, in order to move them away from oneself or the origin of the force.
she pushed her glass toward him
move forward by using force to pass people or cause them to move aside.
she pushed her way through the crowded streets
promote the use, sale, or acceptance of.
the company is pushing a $500 asking price
prepare (a stack) to receive a piece of data on the top.
develop (film) so as to compensate for deliberate underexposure.