hereafter

Short definition from Wiktionary

Adverb

1. 1
   From now on.
2. 2
   Sequentially after this point (in time, in the writing constituting a document, in the movement along a path, etc.)
3. 3
   In time to come; in some future time or state.

Noun

1. 1
   A future existence or state.
2. 2
   Existence after death.

Adjective

1. 1
   Future.