To enter or pierce; to make way into another body; as, a sword or dart penetrates the body; oil penetrates wood; marrow, the most penetrating of oil substances.

To affect the mind; to cause to feel. I am penetrated with a lively sense of your generosity.

To reach by the intellect; to understand; as, to penetrate the meaning or design of any thing.

To enter; to pass into the interior; as, to penetrate a country.

To pass; to make way. Born where heaven’s influence scarce can penetrate.

To make way intellectually. He had not penetrated into the designs of the prince.