The phrase "most judicable" refers to something that is capable of being judged or evaluated. Synonyms for this term could include "most assessable," "most discernible," or "most estimable." Other possible synonyms might include "most decidable," "most determinable," or "most resolvable." Each of these phrases conveys the same idea that something is able to be examined, considered, and ultimately judged or evaluated in some way. Depending on the exact context of its use, other synonyms may be more appropriate than others, but any of these options could potentially be used as a replacement for "most judicable".