quell [kwel]
to put an end to sth; to stop sth esp. by the use of force; to suppress; to beat down;
to calm, to ease, to soothe (feelings);
useful resources:
http://www.oxforddictionaries.com/
http://dictionary.cambridge.org/
http://www.wordreference.com/
http://www.merriam-webster.com/
metaphraze 