Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* applausor (adp-), ōris, m. [applaudo], one that expresses approbation by clapping of hands, an applauder: Idem populus ille aliquando scaenici imperatoris spectator et applausor, Plin. Pan. 46, where Keil now reads plausor.