"Touches base with" is a common phrase that refers to the act of making contact with someone or checking in on them. Synonyms for this phrase include "connects with," "reaches out to," "communicates with," "catches up with," "checks in on," "follows up with," and "reaches out." All of these phrases convey the same meaning as "touches base with" while offering a slight variation in tone or emphasis. For example, "reaches out to" may have a more urgent connotation than "catches up with," which could imply a more casual or relaxed interaction. Choosing the right synonym can help convey the appropriate tone and intention in communication.