chiefly
adverb
[ ˈtʃiːfli ]
• mainly.
• "he is remembered chiefly for his organ sonatas"
Similar:
mainly,
in the main,
primarily,
principally,
predominantly,
above all,
mostly,
for the most part,
first and foremost,
especially,
particularly,
essentially,
substantially,
usually,
customarily,
habitually,
typically,
commonly,
generally,
on the whole,
largely,
by and large,
as a rule,
in most instances,
almost always,
almost entirely,
to a large extent,
to a great degree,