Aggressiveness is a related term of push.
As nouns the difference between aggressiveness and push
is that
aggressiveness is (uncountable) the state or quality of being aggressive while
push is a short, directed application of force; an act of pushing or
push can be (obsolete|uk|dialect) a pustule; a pimple.
As a verb push is
(intransitive) to apply a force to (an object) such that it moves away from the person or thing applying the force.