furthermore
adverb
[ fəːðəˈmɔː ]
• in addition; besides (used to introduce a fresh consideration in an argument).
• "It was also a highly desirable political end. Furthermore, it gave the English a door into France"
Similar:
moreover,
further,
what's more,
also,
additionally,
in addition,
besides,
as well,
too,
to boot,
on top of that,
over and above that,
into the bargain,
by the same token,
withal,
forbye,