When you are writing an essay or paper of any kind, it is important to refrain from repeatedly using the same expressions to begin various sections of your work. Here is a list of some alternative expressions that may help you achieve better coherence in your paper.
Indication of Another Point
after that
also
another
at last
at the outset
further
besides
finally
first, second, third, etc.
furthermore
in addition
in conclusion
in other words
in the next place
lastly
moreover
then
then again
to begin with
too
to sum up
Indication of Place or Position
above
across from
adjacent to
around
before
below
beside
beyond
here
in the distance
nearby
next
opposite to
there
to the left
to the right
under
Indication of Results
accordingly
as a result
as might be expected
consequently
hence
therefore
thus
Indication of Time or Sequence
afterward
again
at last
at the present time
at the same time
at this point
eventually
finally
first, second third, etc.
meanwhile
next
not long after
presently
shortly after
soon
sooner or later
then
thereafter
thereupon
Introducing Examples
an example of this
for example
for instance
such as
Comparisons
again
also
and
besides
in addition
in a like manner
likewise
moreover
similarly
such too
Contrasts
but
however
in spite of
instead
nevertheless
on the contrary
on the other hand
opposite to
otherwise
whereas
yet
Order of Importance
after that
also
equally
equally important
furthermore
in addition
in conclusion
in the first (second, third, etc.)place
then
to begin with
to sum up
Transitional Expressions 
