Put an end to; remove.
Hindi meaning:छुटकारा पाना, ख़त्म करना
Synonyms: Abolish, Quash, Exterminate, Discard
Antonyms: Establish, Save, Preserve
Example: The company had to do away with free lunches in order to save money.
Trick to remember: Away jana pe To do away with ho jata hai.