effort

[1]	exertion , striving , endeavor , struggle , strain , labour , pains , energy , toil , application , trouble , travail , work , (Colloq) elbow-grease
[2]	attempt , elbow grease , exertion , endeavour , essay , try , sweat , venture , (Colloq) stab , crack
[3]	achievement , accomplishment , creation , feat , deed , attainment , exploit
[4]	campaign , cause , crusade , drive , movement