penetrate
verb.
pass into or through, often by overcoming resistance
The bullet penetrated her chest
Synonym: perforate
verb.
come to understand
Synonym: fathom, bottom
verb.
become clear or enter one's consciousness or emotions
It dawned on him that she had betrayed him|she was penetrated with sorrow
verb.
enter a group or organization in order to spy on the members
The student organization was infiltrated by a traitor
Synonym: infiltrate
verb.
make one's way deeper into or through
The hikers did not manage to penetrate the dense forest
verb.
insert the penis into the vagina or anus of
Did the molester penetrate the child?
verb.
spread or diffuse through
An atmosphere of distrust has permeated this administration|music penetrated the entire building|His campaign was riddled with accusations and personal attacks