Definition of "Penetrate" :

verb: become clear or enter one's consciousness or emotions

"She was penetrated with sorrow."

verb: come to understand

verb: pass into or through, often by overcoming resistance

"The bullet penetrated her chest."

verb: spread or diffuse through

"Music penetrated the entire building."

verb: insert the penis into the vagina or anus of

"Did the molester penetrate the child?."

verb: make one's way deeper into or through

"The hikers did not manage to penetrate the dense forest."

verb: enter a group or organization in order to spy on the members