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"
spread or diffuse through; "An atmosphere of distrust has permeated this administration"; "music penetrated the entire building"
To enter a body cavity, such as the vagina or anus, with any object. Usually refers to sexual intercourse.
to enter or force a way into; to spread or flow throughout an area.