<p><strong>Verb</strong></p><ul><li>(used with object) to protect or strengthen against attack; surround or provide with defensive military works.</li><li>to furnish with a means of resisting force or standing strain or wear: to fortify cotton with nylon.</li><li>to make strong; impart strength or vigor to: to fortify oneself with a good breakfast.</li><li>to increase the effectiveness of, as by additional ingredients: to fortify a diet with vitamins; to fortify a lotion with lanolin.</li><li>to strengthen mentally or morally: to be fortified by religious faith.</li><li>to confirm or corroborate: to fortify an accusation with facts.</li><li>Nutrition: to add one or more ingredients to (a food) to increase its nutritional content.</li><li>to add alcohol to (wine or the like).</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to set up defensive works; erect fortifications.</li></ul><p><strong>End of Response</strong></p>