When it comes to finding suitable synonyms for the phrase "hooks up," there are a few options you might consider using. For instance, terms like "links up," "connects," or "joins" can all be employed in a similar context to "hooks up" when referring to two things connecting in some way. Alternatively, you might use the phrase "pairs" or "matches" to describe two individuals being brought together romantically or otherwise. Ultimately, the specific choice of synonym may depend on the context of the sentence and the intended meaning of the phrase. However, with these examples in mind, you should be able to find the appropriate synonym for your needs.