Transition words signal the structure of your paper to your reader.
Logical Connection
Transition Expression
Similarity
also, in the same way, just as -- so too, likewise, similarly
Exception, Contrast
but, however, in spite of, on the one hand -- o.t.o.h., nevertheless, notwithstanding, in contrast, on the contrary, still, yet
Sequence, Order
first, second, third, -- next, then, finally
Time
after, afterward, at last, before, currently, during, earlier, immediately, later, meanwhile, now, recently, simultaneously, previously, briefly, eventually, gradually, in the future, until now, formerly, in the past
Example
for example, for instance, namely, specifically, to illustrate
Emphasis
even, indeed, in fact, of course, certainly, truly
Place, Position
above, adjacent, below, beyond, here, there, in front of, in back of, nearly
Cause & Effect
thus, so, therefore, consequently, as a result, accordingly, hence
Additional Support/Evidence
additionally, also, again, and, as well, besides, equally important, further, furthermore, in addition, moreover
Conclusion/Summary
finally, in a word, in brief, briefly, in conclusion, in the end, in the final analysis, on the whole, thus, to conclude, to summarize, in sum, to sum up, in summary