productive

adjective

1. 1

   Capable of producing something, especially in abundance; fertile.

2. 2

   Yielding good or useful results; constructive.

3. 3

   Of, or relating to the creation of goods or services.

4. 4

   (of an affix or word construction rule) Consistently applicable to any of an open set of words.

5. 5

   Of a cough, producing mucus or sputum from the respiratory tract.

6. 6

   Of inflammation, producing new tissue.

7. 7

   A type of set of natural numbers, related to mathematical logic.

   “a productive set”