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v. Third-person singular simple present indicative form of shush.

"The chants that played such a prominent role prior to the elections and which here and there can be heard, are contained by the "shushes" and "quiets!" of the crowd."

shushed    shushes    shushing   

quieten    silence    hush up    still    hush   

plink    groundswell    susurration    giant    swash