productive

pro|duc|tive /prəd'ʌktɪv/
1 [ADJ]
Someone or something that is productive produces or does a lot for the amount of resources used.
Training makes workers highly productive...
...fertile and productive soils.
productively [ADV] ADV with v
The company is certain to reinvest its profits productively.
2 [ADJ]
If you say that a relationship between people is productive, you mean that a lot of good or useful things happen as a result of it.
He was hopeful that the next round of talks would also be productive...
= fruitful
productively [ADV] ADV with v
They feel they are interacting productively with elderly patients.