<p><strong>Verb</strong></p><ul><li>to pierce or pass into or through: The bullet penetrated the wall. The fog lights penetrated the mist.</li><li>to enter the interior of: to penetrate a forest.</li><li>to enter and diffuse itself through; permeate.</li><li>to arrive at the truth or meaning of; understand; comprehend: to penetrate a mystery.</li><li>to obtain a share of (a market): to penetrate the Canadian coffee market.</li><li>to affect or impress (the mind or feelings) deeply.</li><li>to extend influence, usually peacefully, into the affairs of (another country).</li></ul>