There are many different ways to express the idea of passing something along to someone else. Some synonyms for "pass along" include "forward," "send," "transfer," "relay," "refer," "hand over," and "circulate." Each of these words suggests a slightly different method of getting something from one person to another, whether it's a physical object or information. For example, you might forward an email or transfer a file electronically, while you might refer someone to a colleague or hand over a paper document in person. Choosing the right synonym depends on the context and the nature of what you're passing along.