verb (v)

• enter upon an activity or enterprise(verb.creation)

  Synonym:
  attempt, set about
  

  source: wordnet30
• accept as a challenge(verb.social)

  Synonym:
  tackle, take on
  

  source: wordnet30
• promise to do or accomplish(verb.communication)

  Synonym:
  guarantee
  

  source: wordnet30
• enter into a contractual arrangement(verb.communication)

  Synonym:
  contract
  

  source: wordnet30
• accept as a charge(verb.social)

  Synonym:
  take in charge
  

  source: wordnet30
• To take upon one's self; to engage in; to enter upon; to take in hand; to begin to perform; to set about; to attempt.(verb)

  source: webster1913
• To take upon one's self, or assume, any business, duty, or province.(verb)

  source: webster1913