lessen

Verb

• wear off or die down
  • The pain subsided
    

• make smaller
  • He decreased his staff
    

• decrease in size, extent, or range
  • The amount of homework decreased towards the end of the semester
    
  • The cabin pressure fell dramatically
    
  • her weight fell to under a hundred pounds
    
  • his voice fell to a whisper
    

Related words

• Synonyms: 
  subside , decrease , minify , diminish , fall