<p><strong>Noun</strong></p><ul><li>an answer or reply, as in words or in some action.</li><li>any behavior of a living organism that results from an external or internal stimulus.</li><li>a verse, sentence, phrase, or word said or sung by the choir or congregation in reply to the officiant.</li><li>a bid based on an evaluation of one's hand relative to the previous bid of one's partner.</li></ul>