When looking for synonyms for the phrase "most referable," we can consider words such as recommendable, preferred, desirable, and advantageous. These terms indicate that something or someone is highly regarded and worthy of being suggested or promoted to others. Other synonyms include commendable, noteworthy, and esteemed, which convey a sense of admiration and respect. Additionally, terms such as influential, potent, and compelling suggest that the subject in question has a strong impact or influence on others, making it especially worth recommending. These synonyms help us to describe the qualities and characteristics that make something or someone most referable, and highlight their value and importance.