(formal) Prior to now, until now, up to the present time; from the origin to this point.
We now make available these works which were heretofore unpublished.
Origin of heretofore
Middle English herehereheretoforepreviously (from Old English tōforan) (tōtoto) (foranbefore) (fromforefore)
American Heritage Dictionary of the English Language, 5th Edition
From Middle English heretoforn, equivalent to here (“here”) + toforn (“before”), from Old English toforan (“before”). More at here, tofore.
Heretofore Sentence Examples
After the destruction of Jerusalem the Judaean Rabbinic schools took refuge in the Galilee they had heretofore despised.
The low price of agriculturalproduce, beneficial though it might be to the general community, had lessened the ability of the land to bear the proportion of taxation which had heretofore been imposed upon it.
In response the Moravians, at the General Synod (1909), welcomed the offer, but also declared their wish (a) to preserve their independence as a "Protestant Episcopal Church"; (b) to co-operate freely as heretofore with other Evangelical Churches.
After the adoption of the act it is carried into execution by the parish council, if there is one, and if not, by the parish meeting, and the expenses are raised in the same manner as heretofore.
A continuous shifting of the standpoint was in large measure substituted for the displacements of the objects viewed, which thus acquired a regularity and consistency heretofore lacking to them.