Definitions

1. adverb

from now on; from this time forward

“From henceforth, all meetings will take place at 2 PM.”

2. noun

the point in time at which something begins to be true

“The new policy came into effect from henceforth.”

3. conjunction

used to introduce a consequence or a result

“If you don’t finish your homework, you’ll be grounded henceforth.”