commence
verbUK /kəˈmens/
US /kəˈmens/
To begin or start something.
The concert will commence at seven o'clock.
OTHER MEANINGS
2. To formally begin a ceremony or official event.
The graduation ceremony commenced with a speech from the principal.
3. To take a degree at a university (formal, British usage).
She commenced as a Doctor of Philosophy last spring.
4. To enter upon a course of action or career.
He commenced his training as an apprentice carpenter.