thenceforth
Definitions
From that time forward; from that point on.
From that place or source.
Examples
He moved to the capital and thenceforth dedicated his life to public service.
The new law was enacted, and thenceforth all citizens were required to carry identification.
Synonyms
from that time on thereafter from then on subsequently from that point forward
Antonyms
hitherto until then previously before that time up to that point