When it comes to noting something down, there are many different phrases you can use that convey the same idea as "made note of". Some suitable synonyms include "jotted down," "scribbled," "recorded," "jotted," "marked," "noted," "logged," "noted down," and "jotted down." Each of these phrases captures the act of taking down a piece of information, whether it's a phone number, a to-do list item, or an idea for a project. By using synonyms like these, you can add variety to your writing and avoid repeating the same phrase over and over again.