The Oxford Thesaurus An A-Z Dictionary of Synonyms - endeavour v.

1) try, attempt, strive, make an effort, do one's best, struggle, exert oneself, undertake; aim, aspire; Colloq take a stab at, have a go or crack or whack or shot at: For years he's endeavoured to see her. --n. 2) effort, pains, attempt, try, striving, struggle, venture, enterprise, Colloq stab, crack, whack, shot: Her endeavours to be published have come to naught.