penetrate

pass into or through, often by overcoming resistance; "The bullet penetrated her chest"

come to understand

become clear or enter one's consciousness or emotions; "It dawned on him that she had betrayed him"; "she was penetrated with sorrow"

enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor"

make one's way deeper into or through; "The hikers did not manage to penetrate the dense forest"

insert the penis into the vagina or anus of; "Did the molester penetrate the child?"

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"