conclusiveness 

英汉解释

n. 结论性；决定性

同义词

n. decisiveness，finality

反义词

n.   inconclusiveness

参考例句

1. This is to be expected because the extraordinary rarity of these profiles is what gives them their conclusiveness as evidence.
这个问题实际上是被期待解决，因为正是这些图谱的相当稀有才赋予了它们作为证据的决定性作用。

英英解释

n.
  1. the quality of being final or definitely settled

网络释义

conclusiveness
结论; 记录在案。; 内容决定; 各缔约方的意见;