penetrate

(verb) pass into or through, often by overcoming resistance. Synonyms: perforate. Example: "The bullet penetrated her chest."

(verb) come to understand. Synonyms: fathom, bottom.

(verb) become clear or enter one's consciousness or emotions. Synonyms: click, get through, dawn, come home, get across, sink in, fall into place. Examples: "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. Synonyms: infiltrate. Example: "The student organization was infiltrated by a traitor."

(verb) make one's way deeper into or through. Example: "The hikers did not manage to penetrate the dense forest."

(verb) insert the penis into the vagina or anus of. Example: "Did the molester penetrate the child?."

(verb) spread or diffuse through. Synonyms: permeate, pervade, interpenetrate, diffuse, imbue, riddle. Examples: "An atmosphere of distrust has permeated this administration." "Music penetrated the entire building." "His campaign was riddled with accusations and personal attacks."