moderate

/ˈmɒdəreɪt/ verb [I or T]

Definition

› to become smaller or less, or to make something do this: Oil prices are expected to moderate. In the short term a rising currency helps to moderate inflation.

› to become less extreme, or to make something do this: His views on some social issues had moderated over time. There have been repeated calls for the director to moderate his plans for layoffs.

(Definition of moderate verb from the Cambridge Business English Dictionary © Cambridge University Press)