endeavor (
http://definr.com/endeavor)
n 1: a purposeful or industrious undertaking (especially one that
requires effort or boldness); "he had doubts about the
whole enterprise" [syn:
enterprise,
endeavour]
2: 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" [syn:
attempt,
effort,
endeavour,
try]
v : attempt by employing effort; "we endeavor to make our
customers happy" [syn:
endeavour,
strive]