Source : Webster's Revised Unabridged Dictionary (1913)

Embark \Em*bark"\, v. t. [imp. & p. p. {Embarked}; p. pr. & vb.
   n. {Embarking}.] [F. embarquer; pref. em- (L. in) + barque
   bark: cf. Sp. embarcar, It. imbarcare. See {Bark}. a vessel.]
   1. To cause to go on board a vessel or boat; to put on
      shipboard.

   2. To engage, enlist, or invest (as persons, money, etc.) in
      any affair; as, he embarked his fortune in trade.

            It was the reputation of the sect upon which St.
            Paul embarked his salvation.          --South.

Embark \Em*bark"\, v. i.
   1. To go on board a vessel or a boat for a voyage; as, the
      troops embarked for Lisbon.

   2. To engage in any affair.

            Slow to embark in such an undertaking. --Macaulay.

Source : WordNet®

embark
     v 1: go on board [syn: {ship}] [ant: {disembark}]
     2: set out on (an enterprise, subject of study, etc.); "she
        embarked upon a new career" [syn: {enter}]
     3: proceed somewhere despite the risk of possible dangers; "We
        ventured into the world of high-tech and bought a
        supercomputer" [syn: {venture}]