Synonyms of heretofore

2 Syllables
oncer, since
3 Syllables
formerly, already, hitherto, before, preceding, preexistent, prevenient, afore, one-shot, prodromal, previously
4 Syllables
precendently, erewhile, anteriorly, aforeknown, forerunning
5 Syllables
aforetime, above-named
6 Syllables
aforementioned, above-mentioned, abovementioned