Synonyms for Hereby:

adv.

all (adverb)
herewith.
at this moment (adverb)
thus, with this, herewith, with these means.

n.

hereinafter, with these means, hereafter, material, with this, hereto, herein, hereunder, foregoing, thus, heretofore. hereby (noun)
herewith.

Other synonyms:

heretofore, hereunder, hereinafter, hereto, herein. foregoing, hereafter. material. Other relevant words:
hereinafter, with these means, hereafter, material, with this, hereto, herein, hereunder, foregoing, thus, heretofore.

Usage examples for hereby

  1. Acting on our client's further instructions, we hereby enclose in registered envelope circular notes value 100 pounds sterling. – Foe-Farrell by Arthur Thomas Quiller-Couch
  2. Colonel Wobert Wobinson is hereby ordered to take command of the Mackerel Brigade. – The Orpheus C. Kerr Papers. Series 3 by Robert H. Newell
  3. I thus narrow down the application of the principle, but do not hereby determine it to be altogether wrong. – The Grammar of English Grammars by Goold Brown