The phrase "was able to" is commonly used to express the ability to do something. However, using the same phrase repeatedly can make the writing seem repetitive and dull. To add variety and make the sentence sound more interesting, synonyms for "was able to" can be used instead. Some examples include "managed to", "succeeded in", "achieved", "accomplished", "attained", "executed", "fulfilled", "realized", and "accomplished". Using these synonyms not only adds more variety to the sentence but also shows a wider vocabulary usage. Appropriate choice of words can elevate the reader's interest and interpretation of the piece of writing.