Also and Hereinafter

Also adverb - In like manner.

Hereinafter and also are semantically related in moreover topic. In some cases you can use "Hereinafter" instead an adverb "Also".

Hereinafter adverb - In a subsequent part of this document or statement or matter etc..

Also and hereinafter are semantically related in moreover topic. Sometimes you can use "Also" instead an adverb "Hereinafter".