From Longman Business Dictionary
revivalre·vi·val /rɪˈvaɪvəl/ noun [countableC, uncountableU]1when something becomes active or strong againearly signs of economic revival
revival inVarious surveys show a revival in consumer confidence.
revival ofSome people feared a revival of inflation.
2when something becomes popular againrevival ofthe revival of this style of furniture
American fashion designers are beginning to enjoy a revival.