The phrase "most elucidated" means something that has been explained in great detail or clarified in a comprehensive manner. Some synonyms for this phrase could include "most illuminated," "most vividly described," "most expounded upon," or "most thoroughly clarified." Other possibilities include "most uncovered," "most unraveled," "most deciphered," or "most decoded." These words all convey the sense of a subject matter that has been thoroughly explored and explained, leaving little room for confusion or misunderstanding. Whether describing a complex scientific theory or a complicated concept in philosophy, using these synonyms can help you communicate your ideas with clarity and precision.