http://www.smart-words.org/linking-words/transition-words.html
Agreement / Addition / Similarity
The transition words like also, in addition, and, likewise, add information, reinforce ideas, and express agreement with preceding material.
in the first place
not only ... but also
as a matter of fact
in like manner
in addition
coupled with
in the same fashion / way
first, second, third
in the light of
not to mention
to say nothing of
equally important
by the same token
Transition phrases like but, rather and or, express that there is evidence to the contrary or point out alternatives, and thus introduce a change the line of reasoning (contrast).
although this may be true
in contrast
different from
of course ..., but
on the other hand
on the contrary
at the same time
in spite of
even so / though
be that as it may
then again
above all
in reality
after all
but
(and) still
unlike
or
(and) yet
while
albeit
besides
as much as
even though
again
to
and
also
then
equally
identically
uniquely
like
as
too
moreover
as well as
together with
of course
likewise
comparatively
correspondingly
similarly
furthermore
additionally
Opposition / Limitation / Contradiction
Transition phrases like but, rather and or, express that there is evidence to the contrary or point out alternatives, and thus introduce a change the line of reasoning (contrast).
although
instead
whereas
despite
conversely
otherwise
however
rather
nevertheless
nonetheless
regardless
notwithstanding
