1. accordingly
2. as a result
3. consequently
4. hence
5. it follows, then
6. since
7. therefore
8. thus
Conclusion
1. as a result
2. consequently
3. hence
4. in conclusion
5. in short
6. in sum, then
7. it follows, then
8. therefore
9. thus
Comparison
1. along the same lines
2. in the same way
3. likewise
4. similarly
Contrast
1. although
2. by contrast
3. conversely
4. despite
5. even though
6. nevertheless
7. nonetheless
8. on the contrary
9. on the other hand
10. regardless
11. whereas
12. however
13. in contrast
14. while
15. yet
Addition
1. also
2. besides
3. furthermore
4. moreover
5. indeed
6. in addition
Concession
1. admittedly
2. although it is true that
3. granted
4. I concede that
5. of course
Example
1. after all
2. as an illustration
3. consider
4. for example
5. for instance
6. specifically