WordWeb Online

1. Tending to ameliorate
   "Federal assistance has an ameliorating effect on the difference in school budgets between wealthy and poor districts";
   - ameliorative, amelioratory, meliorative

1. To make better
   "The editor ameliorated the manuscript with his changes";
   - better, improve, amend, meliorate, mend
    
2. Get better
   "The weather ameliorated toward evening";
   - better, improve, meliorate

See also: bettering

Type of: alter, change, change state, modify, turn

Encyclopedia: Ameliorate