Conclusion (noun)

1. A final decision or judgement.
2. The outcome or result of a discussion or debate.
3. The final part or last main division of a speech, lecture, essay, etc.

Origin:

Late middle english: from old french, or from latin conclusio(n-), from concludere "bring to an end", from con- "together" + claudere "to shut".

Examples:

1. The conclusion of the trial was that the defendant was guilty.
2. In conclusion, we can see that the evidence supports the theory.
3. The conclusion of the meeting was that the project should be put on hold.
4. In conclusion, this policy change is necessary to protect our environment.
5. The conclusion of the novel is a happy one.