opinability

Noun

 * 1) The quality of being opinable.
 * 2) * 2018, Richard F. Hassing, Final Causality in Nature and Human Affairs (page 4)
 * Accordingly, with respect to their knowability or opinability, Socrates makes no distinction among the sensibles between natural things and artifacts (510a5–6); both are relegated to the realm of opinion. Hence, there is no Socratic-Platonic biology.