<p><strong>Verb (used with object):</strong></p><ul><li>Soothed, soothing.<ul><li>To make damp; moisten: to dampen a sponge.</li><li>To dull or deaden; depress: to dampen one's spirits.</li></ul></li></ul><p><strong>Synonyms:</strong></p><ul><li>Abate, lessen, alleviate.</li></ul><p><strong>Antonyms:</strong></p><ul><li>Roil, upset.</li></ul>