There are several synonyms for the phrase "seeking opinion of." One such synonym is "soliciting feedback from," which means to ask for comments or critiques on a particular topic or idea. Another synonym is "consulting with," which suggests seeking advice or guidance from someone with expertise or knowledge in a particular area. "Asking for input from" is another synonym, which simply means to request advice or recommendations from someone else. Finally, "inquiring about" is another synonym that suggests a more formal or professional approach to seeking information or advice from others. Regardless of the synonym used, the goal is to seek out diverse perspectives and insights to make informed decisions.