undertake

 
Pronunciation: /ʌndəˈteɪk/

verb (past undertook; past participle undertaken)

[with object]
  • commit oneself to and begin (an enterprise or responsibility); take on: a firm of builders undertook the construction work
  • [usually with infinitive] promise to do a particular thing: the firm undertook to keep price increases to a minimum
  • [with clause] guarantee or affirm something; give as a formal pledge: a lorry driver implicitly undertakes that he is reasonably skilled as a driver