improvement

(noun)

noun

1. a change for the better; progress in development

Similar word(s): advance, betterment

Definition categories: event, shift, transformation, transmutation

2. the act of improving something

- their improvements increased the value of the property

Definition categories: act

3. a condition superior to an earlier condition

- the new school represents a great improvement

Similar word(s): melioration

Definition categories: state, condition, status