1. To signal addition of ideas
3. To signal order or sequence
5. To signal an example 6. To show results
7. To signal purpose
8. To signal comparisons
10. To signal alternatives, exceptions, and objections
11. To dispute
12. To intensify
13. To summarize or repeat
and, also, besides, further, furthermore, too, moreover, in addition, then, of equal importance, equally important, another
first, second, (etc.), finally, hence, next, then, from here on, to begin with, last of all, after, before, as soon as, in the end, gradually
for example, to illustrate, for instance, to be specific, such as, moreover, furthermore, just as important, similarly, in the same way
as a result, hence, so, accordingly, as a consequence, consequently, thus, since, therefore, for this reason, because of this
to this end, for this purpose, with this in mind, for this reason, for these reasons
like, in the same (like) manner or way, similarly
although, though, while, despite, to be sure, it is true, true, I grant,
granted, I admit, admittedly, doubtless, I concede, regardless
it isn’t true that, people are wrong who say that, deny that, be that as it may, by the same token, no doubt, we often hear it said, many people claim, many people suppose, it used to be thought, in any case
above all, first and foremost, importantly, again, to be sure, indeed, in fact, as a matter of fact, as I have said, as has been noted
in summary, to sum up, to repeat, briefly, in short, finally, on the
whole, therefore, as I have said, in conclusion, as you can see
2. To signal time
next, afterward, finally, later, last, lastly, at last, now, subsequently, then, when, soon, thereafter, after a short time, the next week (month, day, etc.), a minute later, in the meantime, meanwhile, on the following day, at length, ultimately, presently
4. To signify space and place
above, behind, below, beyond, here, there, to the right (left), nearby, opposite, on the other side, in the background, directly ahead, along the wall, as you turn right, at the tip, across the hall, at this point, adjacent to
9. To indicate contrast
but, in contrast, conversely, however, still, nevertheless, nonetheless, yet, and yet, on the other hand, of course, on the contrary, or, in spite of this, actually, a year ago, now, notwithstanding, for all that, strangely enough, ironically
Additionally, pronouns act as connectives when they are used to refer to a noun in the preceding sentences. Repetition of key words and phrases and the use of synonyms which echo important words both serve to establish connections with previous sentences.