<p><strong>Verb (used without object)</strong></p><ul><li>To board a ship, aircraft, or other vehicle, as for a journey.</li><li>To start an enterprise, business, etc.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>To put or receive on board a ship, aircraft, or other vehicle.</li><li>To involve (someone) in an enterprise.</li><li>To venture or invest (something) in an enterprise.</li></ul>