of course
• used to introduce an idea or action as being obvious or to be expected.
• "the point is of course that the puzzle itself is misleading"
Similar:
naturally,
as might be expected,
as you/one would expect,
needless to say,
not unexpectedly,
certainly,
to be sure,
as was anticipated,
as a matter of course,
obviously,
clearly,
it goes without saying,
natch,