"Hook into" is a common phrasal verb that means to engage with or become involved in something. There are several alternatives to this phrase that can be used to convey the same meaning. Some of the synonyms for "hook into" include "connect with," "link to," "tie into," "plug in," "join in," "attach to," "get involved in," and "engage with." These synonyms can be used in different contexts, such as in business, sports, technology, or social situations. Using synonyms can help avoid repetition and add variety to your language, making your writing or conversation more engaging and effective.