abate abate /əˈbeɪt/

verb

1. Become less in amount or intensity  ( abate , slack , slack off , die away , let up )
   become less in amount or intensity
    The storm abated
   The storm abated
    The rain let up after a few hours
   The rain let up after a few hours
   
2. Make less active or intense  ( abate , slack , slake )
   make less active or intense