Here is a great list of transition words for you to learn. These can help you in all of your skill areas.
Knowing these words will help you predict the content of reading passages and academic lectures.
Using transition words in your academic writing and presentations will help the flow and cohesion of your essays and presentations.
The website highlights transitions used for:
Agreement / Addition / Similiarity
Opposition / Limitation / Contradiction
Conclusion / Summary / Restatement
All serious students should start incorporating these transition words along with academic vocabulary in their writing and speaking.
There is also a downloadable pdf version of this website here.