Adjectives:
Perhaps, Arguably, Conceivably, evidently, presumably, potentially, supposedly, possibly,
Transitional Words:
Furthermore, Although, Albeit, Conversely, Frankly, Whereas,
http://writing2.richmond.edu/writing/wweb/trans1.html
https://owlcation.com/academia/Words-to-Use-in-Starting-Sentences
Crutch Words:
Um, So, And
https://blog.hubspot.com/marketing/so-um-you-really-need-to-stop-using-crutch-words
Fallacy:
Fallacy of Composition: assuming that something true of part of a whole must also be true of the whole.