Conjunctive Adverbs
after all
after a while
again
also
and (sometimes)
and then (sometimes)
and yet (sometimes
as an illustration
as a result
as long as
at last
at length
at that time
at the same time
before (sometimes)
besides
but at the same time
certainly (sometimes)
despite that
earlier
equally (sometimes)
even so
even though
eventually
finally
for all that
for example
for instance
formerly
further
furthermore
Conjunctive adverbs are used to connect two equal parts of a sentence.

     Syntax: [Independent Clause] ; [Conjunctive adverb] , [Independent Clause]

                         I will not tolerate insolence; however, a little youthful exuberance is perfectly acceptable.

Conjunctive adverbs can also open a sentence, creating a logical connection to the preceding sentence.

     Syntax: [Conjunctive Adverb], [Sentence].

                        Grandma is a good cook. However, I hate her chicken soup.

Words/phrases commonly used as Conjunctive Adverbs:
otherwise Usage note: no comma is required after "otherwise".
presently
regardless
second
shortly
similarly
since (sometimes)
simultaneously
so (sometimes)
Usage note: no comma is required after "so".
soon
subsequently
still
then
thereafter
therefore
thought (sometimes)
thus
too (sometimes)
until (sometimes)
until now
when (sometimes)
yet (sometimes)
granted
hence
however
in addition
in conclusion
in contrast
incidentally
indeed
in fact
in other words
in particular
in spite of
instead
in the first place
in the past
in the same way
last
lately
likewise
meanwhile
moreover
naturally
nevertheless
next
nonetheless
notwithstanding
now
of course
on the contrary
on the other hand
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*These words do not always function as conjunctive adverbs. They sometimes serve other purposes. The ones highlighted with
"(sometimes)" are frequently not acting as conjunctive adverbs.