.Firstly: previously, beforehand, foremost, initially, originally, formerly, principally, mainly, essentially, basically, generally, commonly, universally, on the whole, fundamentally, to begin with, to start with, first of all, at the outsetThen: subsequently, afterward, thereafter, after that, succeeding (adj.), secondarily, what is more, furthermore (furthermore)Lastly: ultimately, eventually, in conclusion, to conclude, as a final point, last of all, last but not least, finallyToo