Clapometer is a device used to measure the sound intensity or volume of applause in a given area. However, there are various synonyms that can be used in place of the term 'clapometer' to serve the same purpose. These synonyms include 'applause-o-meter,' 'cheer meter,' and 'audience response meter.' Other synonyms that could also be used include 'hand clapper,' and 'applause measurer.' These synonyms are commonly used in scenarios such as talent shows, game shows, or in theaters to measure the level of audience engagement and reaction to performances or presentations. Overall, these synonyms serve as useful alternatives to the term 'clapometer,' enabling individuals to gauge the level of audience reaction at various events.