allay

Managers tried to allay [=calm, ease] fears that some workers would lose their jobs.经理们试图消除有些工人会失去工作的恐惧。

The new advertising campaign is an attempt to allay the public's concerns/worries about the safety of the company's products.新的广告攻势旨在减轻公众对该公司产品安全性的担忧。

allay suspicions减轻疑虑