When it comes to seeking out knowledge, it's essential to have the right information sources. However, using the same terminology repeatedly can grow monotonous and uninspiring. There is an abundance of synonyms for the term "information source" that can bring a fresh perspective to your vocabulary. For example, you could use "information repository," "knowledge bank," "intelligence hub," or "fact finders." Alternatively, you could try more language-specific phrasing, such as "news outlet," "fact-checker," or "data mine." By diversifying your terminology, you can add depth and richness to your writing, and showcase your command of the English language.