There are many synonyms for the phrase "notch up" that can be used to convey the same meaning. Some of the alternatives include "gain," "achieve," "attain," "acquire," "secure," "earn," "score," "rack up," "accumulate," and "collect." All of these synonyms represent accomplishment or a sense of success, particularly in relation to a particular goal or target. By using these synonyms instead of "notch up," you can spice up your language and convey a more sophisticated tone in your writing or speaking. It's always good to have a range of words at your disposal so that you can communicate more clearly and effectively.