verb

• To enter into; to make way into the interior of; to pierce.
• (figuratively) To achieve understanding of, despite some obstacle; to comprehend; to understand.
• To affect profoundly through the senses or feelings; to move deeply.
• To infiltrate an enemy to gather intelligence.
• To insert the penis into an orifice, such as a vagina, mouth, or anus.
• (chess) To move a piece past the defending pieces of one's opponent.