By this means or as a result of this statement; used in formal or legal language to declare that something is being done or made official.
“I hereby accept the position of Project Manager and look forward to starting on Monday.”
“The company hereby confirms that your payment has been received in full.”
Use 'hereby' in CELPIP Writing (e.g., in a formal email or letter) to perform a formal action, such as officially accepting, refusing, or confirming something. It adds a professional tone. In Speaking, it is rarely needed, but you can use it in role-plays or presentations to sound formal, e.g., 'I hereby recommend...'
Synonyms: by this means, by this document, through this