The antonyms for the word "more foiled" could be "successful," "accomplished," or "achieved." These antonyms convey a sense of achieved goals and positive outcomes, which are the direct opposite of being "foiled" or frustrated in one's efforts. Other antonyms could include "unimpeded," "unhindered," or "unobstructed," which imply a lack of obstacles or hurdles in the path of progress. Whatever the specific opposite of "more foiled" might be, it is clear that the antonym would represent a state of progress and success, rather than one of frustration and setbacks.