embark on
US /ɪmˈbɑːrk ɑːn/
UK /ɪmˈbɑːrk ɑːn/

1.
to start a new project or activity, especially one that is difficult or exciting
:
•
She decided to embark on a new career path.
•
We are about to embark on a long journey.
to start a new project or activity, especially one that is difficult or exciting