Synonyms for Heretofore:

adv.

before this time (adverb)
previously, before, formerly, until now, up to this time, so far.

n.

hereby, hereafter, before, hereto, herewith, hereunder, foregoing, material, formerly, hereinafter, up to this time, herein. earlier, precede, previously. heretofore (noun)
hitherto, so far, Til Now, yet, thus far, as yet, up to now, until now.

Other synonyms:

hereby, formerly, hereunder, hereinafter, herewith, hereto, herein. hereafter, foregoing. previously. material. in time
before.
til now
Til Now.
Other relevant words:
herewith, earlier, up to this time, hereunder, material, previously, hereto, before, formerly, herein, foregoing, precede, hereby, hereinafter, hereafter.

Usage examples for heretofore

  1. Heretofore George had been anxious to do all the hunting along the river, but now he kept suggesting the forest to the west, and it eventually turned out that the real reason was on account of the supply of honey giving out; and he had an idea that, as they had not seen any trees with honey indications anywhere else in their wanderings, that would be the proper place to go. – The Wonder Island Boys: Exploring the Island by Roger Thompson Finlay
  2. Heretofore while feeling deep resentment toward him, I yet was strongly inclined to avoid any personal meeting. – My Lady of the North by Randall Parrish
  3. Still, I think that the great majority of tourists will, as heretofore prefer the ordinary Zermatt route, and that comparatively few will patronize the newly- discovered ones. – The Ascent of the Matterhorn by Edward Whymper