<p><strong>Adjective</strong></p><ul><li>Capable of being held, maintained, or defended, as against attack or dispute:<ul><li>A tenable theory.</li></ul></li><li>Synonyms:<ul><li>Maintainable</li><li>Warrantable</li><li>Viable</li><li>Workable</li></ul></li><li>Capable of being occupied, possessed, held, or enjoyed, as under certain conditions:<ul><li>A research grant tenable for two years.</li></ul></li></ul>