quieten
qui‧et‧en /ˈkwaɪətn/
British English, quiet American English verb
Javed Miandad appealed for calm, but he failed to quieten the protesters.
Quiet down and get ready for bed!
Things tend to quieten down after Christmas.
2. [transitive] to reduce a feeling such as fear or worry:
I managed to quieten her fears.
qui‧et‧en /ˈkwaɪətn/
British English, quiet American English verb Word Family: noun: quiet, disquiet, quietness, quietism, quietude; verb: quieten, quiet; adverb: quietly; adjective: quiet
1. [intransitive and transitive] (also quieten down British English) to become calmer and less noisy or active, or to make someone or something do this: 2. [transitive] to reduce a feeling such as fear or worry: