Definition of "endeavor"

endeavor

/ɪnˈdɛv.ə/

noun
plural endeavors
1. A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity.
verb
third-person singular simple present endeavors, present participle endeavoring, simple past and past participle endeavored
1. (obsolete) To exert oneself.
2. (intransitive) To attempt through application of effort (to do something); to try strenuously.
3. (obsolete, transitive) To attempt (something).
4. To work with purpose.
  Quotations
  He draws eclectically on studies of baboons, descriptive anthropological accounts of hunter-gatherer societies and, in a few cases, the fossil record. With this biological framework in place, Corning endeavors to show that the capitalist system as currently practiced in the United States and elsewhere is manifestly unfair.
  2012 March-April, John T. Jost, “Social Justice: Is It in Our Nature (and Our Future)?”, in American Scientist‎, volume 100, number 2, archived from the original on 13 February 2012, page 162