embark
v.v. to start a new and important project or journey. You use this when you are beginning something that might be long or difficult.
v. to begin a new venture, project, or journey. Often implies a significant commitment or a transition into a major undertaking.
They are ready to embark on a new business venture.
After graduating from university, she decided to embark on a solo trip across South America to learn Spanish.
The government is set to embark on a series of radical economic reforms designed to curb inflation and encourage foreign investment over the next decade.
Borrowed from Middle French embarquer, from em- + barque (“small ship”). Compare with Portuguese embarcar, Spanish abarcar.
From em- + bark.
The verb is intransitive when used with 'on' or 'upon' to indicate starting a project; it is transitive when used in the context of boarding a ship or aircraft.
They embarked the project yesterdayThey embarked on the project yesterdayWhen meaning 'to start', the verb requires the preposition 'on' or 'upon' before the noun.