Producing or able to produce large amounts of goods, crops, or other commodities. The productive farmland yielded a bountiful harvest this year.
Achieving or producing a significant amount or result. She had a productive day at work, completing all her tasks ahead of schedule.
Relating to the creation of goods and services. The productive sector of the economy showed significant growth last quarter.
Linguistics: (of a morphological rule or affix) able to be used freely to form new words or structures. The suffix "-ness" is highly productive in modern English, creating nouns like "kindness" and "openness."