What is another word for read up on?
Pronunciation: [ɹˈiːd ˌʌp ˈɒn] (IPA) 
To deepen your knowledge or understanding of a subject, there are a variety of synonyms for "read up on." These include "research," "study," "examine," "investigate," "explore," "delve into," "peruse," and "scrutinize." Each of these alternatives convey a similar intention of acquiring information and learning more about a particular topic. Depending on the context, some of these words may be a more appropriate fit than others. For example, "examine" might be more relevant when referring to detailed analysis of a specific subject, while "delve into" would better suit the investigation of a topic in depth. Whichever synonym you choose, the goal remains the same - to gain knowledge and broaden your understanding.
