fruitful
adjective uk/ˈfruːt.fəl/ us/ˈfruːt.fəl/
C1 formal有成果的；有成效的
producing good results
It was a most fruitful discussion, with both sides agreeing to adopt a common policy. 这是一次富有成果的讨论，双方达成一致采用共同的政策。
Opposite: fruitless
old use（人）子女众多的
If a person is fruitful, they produce a lot of children.