To Summarize or Recap:
* Therefore
* Thus
* In conclusion
* In summary
* To sum up
* Finally
* Overall
* Consequently
To Emphasize or Reinforce:
* Ultimately
* Indeed
* As a result
* Clearly
* Evidently
* Above all
To Offer a Call to Action or Future Outlook:
* Moving forward
* Looking ahead
* In the future
* As such
* Hence
To Transition to a Broader Perspective:
* In broader terms
* More broadly
* Ultimately
* This suggests
The best choice will depend on the specific content of your essay and the tone you wish to convey.
Example:
"In conclusion, the evidence presented strongly suggests that climate change is a pressing global issue. Ultimately, we must take collective action to mitigate its effects and secure a sustainable future for generations to come."