alternatively
adverb
[ ɔːlˈtəːnətɪvli ]
• as another option or possibility.
• "alternatively, you may telephone us direct if you wish"
Similar:
on the other hand,
as an alternative,
or,
as another option,
as a substitute,
as a replacement,
otherwise,
instead,
if not,
then again,
but,
alternately,