1. fruitful
It was a fruitful cooperation.
Our cooperation has proved to be fruitful.
It will be a fruitful year for us.
The research has proved extremely fruitful.
it was fruitful time
We have had a very fruitful dialogue and the report is very constructive.
fruitful meeting
Their stay in Germany for a year was very fruitful.
Their year-long stay in Germany was very fruitful.