WordWeb Online

1. Make one or more partial changes to
   "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
    
2. (grammar) add a modifier to a constituent
   - qualify
    
3. Make different; cause a transformation
   "The discussion has modified my thinking about the issue";
   - change, alter

Derived forms: modifies, modifying, modified

Type of: add, change

Encyclopedia: Modify