What term is defined as "having an acquaintance, derived from association with the individual which establishes the individual's identity with at least a responsible certainty"?

The term that conveys the idea of being familiar with an individual due to interaction or association, which in turn confirms the individual's identity with a significant level of certainty, is "Personally Knowing." This term emphasizes a level of familiarity and direct experience with the individual being identified, which is critical for establishing a strong basis for identity verification in notarial practices.

The context of notarial work often requires notaries to confirm an individual's identity, and having personally known the individual adds a layer of reliability and authenticity to that verification process. This solid knowledge not only stems from recognition but also from a deeper understanding or acquaintance that is more robust than merely knowing someone's name or having met them briefly.

Other options, while they may seem related, don’t encapsulate the specific nuances of personal familiarity. "Personal Connection" suggests a relationship but lacks the explicit aspect of knowledge. "Identity Verification" focuses more on the process rather than the acquaintance needed to establish identity. "Formal Association" implies a structured connection but does not necessarily indicate a subjective knowledge of the individual. Thus, "Personally Knowing" is the most accurate term that captures the essence of the question.