What does "heretofore" mean?

Before now, until now, up to the present time; from the beginning to this point.

What is a synonym for "heretofore"?

Common synonyms include: hitherto, until now, aforetime, already, as yet, as yet.

Pronounced //ˌhɪətəˈfɔː//.

/ˌhɪətəˈfɔː/ adv

adv ·Uncommon ·College level

Adverb

1
Before now, until now, up to the present time; from the beginning to this point. formal, not-comparable, temporal
"We now make available these works which were heretofore unpublished."
2
Previously within the present text; earlier herein. not-comparable
"heretofore referred to as"

Adverb

1
used in negative statement to describe a situation that has existed up to this point or up to the present time wordnet

"They produced a state of poverty heretofore unheard of in England."

From Middle English heretoforn, equivalent to here (“here”) + toforn (“before”), from Old English tōforan (“before”). More at here, tofore.