[noun] a purposeful or industrious undertaking (especially one that requires effort or boldness); "he had doubts about the whole enterprise" Synonyms:enterprise, endeavour
[noun] earnest and conscientious activity intended to do or accomplish something; "made an effort to cover all the reading material"; "wished him luck in his endeavor"; "she gave it a good try" Synonyms:attempt, effort, endeavour, try
[verb] attempt by employing effort; "we endeavor to make our customers happy" Synonyms:endeavour, strive