Definitions

1. adverb

Used to indicate a time or point prior to the present moment, especially when referring to past events or circumstances.

“She had been living in Paris heretofore, but now she’s moving to New York.”

2. noun

The period of time prior to the present moment.

“The new policy has been in effect heretofore, but we’re considering a change.”

3. pronoun

Used to refer to a time or period prior to the present moment.

“Up to heretofore, the company’s profits had been steadily increasing.”