<p><strong>Noun:</strong></p><ul><li>Age</li><li>Old age</li><li>Antiquity</li></ul><p><strong>Age:</strong></p><ul><li>The length of time that a person has lived or a thing has existed.</li><li>A period characterized by a particular stage of life or development.</li></ul><p><strong>Old age:</strong></p><ul><li>The later stage of life, typically associated with advancing years and associated decline in health or vigor.</li></ul><p><strong>Antiquity:</strong></p><ul><li>The ancient past, especially the period before the Middle Ages.</li><li>The quality of being ancient or very old.</li></ul>