hitherto
adverb
[ hɪðəˈtuː ]
• until now or until the point in time under discussion.
• "hitherto part of French West Africa, Benin achieved independence in 1960"
Similar:
previously,
formerly,
earlier,
so far,
thus far,
before,
beforehand,
to date,
as yet,
until now,
until then,
up until now,
up until then,
till now,
till then,
up to now,
up to then,
heretofore,