Illustration/Example
thus, for example, for instance, namely, to illustrate, in other words, in particular, specifically, such as, as an illustration, in particular, specifically, especially, in particular, to explain, to list, to enumerate, in detail, as a result, in fact, in conclusion, on the whole, first, second, third
Contrast
on the contrary, contrarily, notwithstanding, however, nevertheless, in spite of, in contrast, yet, on one hand, on the other hand, rather, nor, conversely, at the same time, while this may be true, otherwise, unless, whereas, conversely, differing from, less important, even though, while, still, than, unless, in place of, in spite of
Addition
in addition to, furthermore, moreover, besides, than, too, also, both- and, another, equally important, again, further, finally, as well as, in the second place, next, likewise, similarly, in fact, as a result, consequently, in the same way, for example, for instance, however, thus, therefore, otherwise
Time
after, afterward, before, then, once, next, last, at last, at length, first, second, etc., at first, formerly, rarely, usually, another, finally, soon, meanwhile, at the same time, for a minute, hour, day, etc., during the morning, day, week, etc., most important, later, ordinarily, to begin with, afterwards, generally, in order to, subsequently, previously, in the meantime, immediately, eventually, concurrently, simultaneously
Space
at the left, at the right, in the center, on the side, along the edge, on top, below, straight ahead, at the top, at the bottom, surrounding, opposite, at the front, in front of, next to, in the distance, beyond, in the forefront, in the foreground, within sight, out of sight, across, adjacent, in the background
Similarity/Comparaison
at the left, at the right, in the center, on the side, along the edge, on top, below, straight ahead, at the top, at the bottom, surrounding, opposite, at the front, in front of, next to, in the distance, beyond, in the forefront, in the foreground, within sight, out of sight, across, adjacent, in the background
Emphasis
above all, indeed, truly, of course, certainly, surely, in fact, really, in truth, again, besides, also, furthermore, in addition, provided that, more important, of less importance, equally important
Consequence/ Result
so that, with the result that, thus, consequently, hence, accordingly, for this reason, therefore, since, due to, as a result, in other words, although, at any rate, at least, still, even though, granted that, while it may be true, in spite of, of course, provided that, unfortunately, consequently, fortunately, thus, in any case
Summary
therefore, finally, consequently, thus, in short, in conclusion, in brief, as a result, accordingly, all in all, as I have said, on the whole, in any event, in other words, to sum up, specifically, in fact, for instance
Suggestion
for this purpose, to this end, with this in mind, with this purpose in mind, therefore