Definition of "embark"

embark

/ɪmˈbɑːk/

verb
third-person singular simple present embarks, present participle embarking, simple past and past participle embarked
1. To get on a boat or ship or (outside the USA) an aeroplane.
  Quotations
  It is never possible to settle down to the ordinary routine of life at sea until the screw begins to revolve. There is an hour or two, after the passengers have embarked, which is disquieting and fussy.
  1915, G[eorge] A. Birmingham [pseudonym; James Owen Hannay], chapter I, in Gossamer, New York, N.Y.: George H. Doran Company
2. To start, begin.
3. (transitive) To cause to go on board a vessel or boat; to put on shipboard.
4. (transitive) To engage, enlist, or invest (as persons, money, etc.) in any affair.
  Quotations
  It was the reputation of the sect upon which St. Paul embarked his salvation.
  1692–1717, Robert South, Twelve Sermons Preached upon Several Occasions, 6th edition, volumes (please specify |volume=I to VI), London: […] J[ames] Bettenham, for Jonah Bowyer, […], published 1727
  Nor seek to get his patron's favour, by embarking himself in the factions of the family; to enquire after domestic simulties, their sports or affections.
  1641, Ben Jonson, Discoveries Made upon Men and Matter‎