henceforth
Henceforth (adverb) means From this point in time onward. Example: “Henceforth, all visitors must sign in at the front desk.”
How to use henceforth
Learner’s notesIn plain EnglishA formal way to say "from now on".
Quite formal or old-fashioned; "from now on" is the everyday equivalent.
Fill the gap
Can you complete this real example?
_____, all visitors must sign in at the front desk.
Etymology
From Middle English hennes forth, combining hence ("from here") with forth ("forward") — literally "forward from here".