perseveranceapprovingA years-long political scandal broke last week thanks to the dogged perseverance of local reporters.
persistenceHe was known for his persistence in the pursuit of justice.
stick-to-it-ivenessUSinformalThis type of work requires a long-term commitment and a lot of stick-to-it-iveness.
single-mindednessHer single-mindedness helped her win six US Open singles titles.
doggednessTheir sheer doggedness and ambition helped them ignore criticism and carry on.
tenacityThe tenacity of oil lobbyists is what persuaded politicians to open up protected waters for oil drilling.
resolveformalThe prime minister's steely resolve and strong leadership after the economic crash helped unite the nation.
willThrough sheer force of will, he was eventually able to get both parties to agree to the compromise.