Synonyms for Attempt (same or very similar meaning)
WordNet sense 1 (make an effort or attempt):
assay, essay, seek, try, essayWordNet sense 2 (enter upon an activity or enterprise):
undertake, set aboutWordNet sense 3 (the act of attacking):
attackWordNet sense 4 (earnest and conscientious activity intended to do or accomplish something):
effort, endeavor, endeavourFrom the ODE community, based on WordNetadd/edit