The Dutch word "mooi" translates to "beautiful" in English, but there are many other ways to express this notion. Some synonyms for "mooi" might include "prachtig" (gorgeous), "schoon" (clean), "aantrekkelijk" (attractive), or "lieflijk" (lovely). Depending on the context, other possible synonyms could be "schitterend" (sparkling), "betoverend" (enchanting), or "indrukwekkend" (impressive). In any case, there are a multitude of ways to describe the beauty of a person, place, or thing, and it can be helpful to have a variety of synonyms at your disposal to help you express your thoughts and feelings accurately and eloquently.