<p><strong>Noun</strong></p><ul><li>a person or thing that expounds, explains, or interprets: an exponent of modern theory in the arts.</li><li>Synonyms: promoter, proponent, champion, supporter</li><li>a person or thing that is a representative, advocate, type, or symbol of something: Lincoln is an exponent of American democracy.</li><li>Synonyms: personification, embodiment</li><li>Mathematics: a symbol or number placed above and after another symbol or number to denote the power to which the latter is to be raised: The exponents of the quantities xn, 2m, y4, and 35 are, respectively, n, m, 4, and 5.</li></ul>