em‧bark / ɪmˈbɑːk $ -ɑːrk / verb [ intransitive and transitive ]
to go onto a ship or a plane, or to put or take something onto a ship or plane OPP disembark
— embarkation / ˌembɑːˈkeɪʃən $ -bɑːr- / noun [ uncountable and countable ]
embark on/upon something phrasal verb
to start something, especially something new, difficult, or exciting :
He embarked on a new career as a teacher.