To bring something back into use or existence after it has been absent or discontinued. The company plans to reintroduce the popular product line next year.
To present someone or something again, especially in a new or different way. The teacher decided to reintroduce the topic to the class with a new approach.
To return a species to its natural habitat after it has been removed or has disappeared. Conservationists are working to reintroduce the wolves into the national park.