noun The state of being productive, fertile, or efficient.
noun The rate at which goods or services are produced by a standard population of workers; those workers' degree of efficiency.
You can see the computer age everywhere but in the productivity statistics.
noun The rate at which crops are grown on a standard area of land.
noun The ability to form new words using established patterns and discrete linguistic elements, such as the derivational affixes -ness and -ity; the degree to which such formation happens.