verbs
pass into or through, often by overcoming resistance
"The bullet penetrated her chest"
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"
is a type of (narrower)
move forward, also in the metaphorical sense
"Time marches on"
insert the penis into the vagina or anus of
"Did the molester penetrate the child?"
is a type of (narrower)
put or introduce into something
"insert a picture into the text"
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"