CONCLUSIVE, adjective

1. Final; decisive; as a conclusive answer to a proposition.

2. Decisive; giving a final determination; precluding a further act.

The agreeing votes of both houses were not, by any law or reason, conclusive to my judgment.

3. Decisive; concluding the question; putting an end to debate; as a conclusive argument.

4. Regularly consequential.

Men, not knowing the true forms of syllogisms, cannot know whether they are made in right and conlusive modes and figures.