Adding Information:Furthermore, Moreover, In addition, Additionally, Not to mention, as well as, First/second/third
Contrast:
However, nevertheless, in spite of, even so, (un)fortunately,
Examples:
for instance, such as
Cause & effect:as a result, consequently, therefore, thus, that's why
Time/order:
eventually, initially, earlier, meanwhile
Comparison:
as if, equally, likewise, similarly
Condition:
provided that, unless, if