Meaning of endeavor

(noun) a purposeful or industrious undertaking (especially one that requires effort or boldness); "he had doubts about the whole enterprise"

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"

(verb) attempt by employing effort; "we endeavor to make our customers happy"