"Make a note of" is a common phrase to indicate recording or jotting down a piece of information. However, there are several other synonyms that can be used to express this action. Some alternatives include "take note of," "jot down," "scribble," "put in writing," "record," "document," "memorize," "note down," and "commit to memory." Each phrase carries a slightly different connotation, such as "jot down" suggesting a quick, informal note-taking approach, while "record" implies more formal documentation. Choosing the right synonym can help convey the intended tone and level of importance of the information being noted.