However, you can use various suffixes to create related words with different meanings:
* -ion: conclusion (the act of concluding)
* -ive: conclusive (providing a definite answer)
* -ly: conclusively (in a manner that concludes)
* -able: concludable (able to be concluded)
* -er: concluder (one who concludes)
The specific suffix you choose will depend on the meaning you want to convey.