Chiefly British To make or become quiet.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "quieten" in a sentence
"The unhurt put candid, in its chichi quieten, is a youngster of the 20th century"
"He wanted … I got up and made a talk to kind of quieten these folks down."
"Hull City yesterday will "quieten" the job speculation after a frenzied week."