<p><strong>Noun</strong></p><ul><li>gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.</li><li>the act of estimating the qualities of things and giving them their proper value.</li><li>clear perception or recognition, especially of aesthetic quality: a course in art appreciation.</li><li>an increase or rise in the value of property, goods, etc.</li><li>critical notice; evaluation; opinion, as of a situation, person, etc.</li><li>a critique or written evaluation, especially when favorable.</li></ul>