Source : Webster's Revised Unabridged Dictionary (1913)

Predicable \Pred"i*ca*ble\, a. [Cf. F. pr['e]dicable, L.
   praedicabilis praiseworthy. See {Predicate}.]
   Capable of being predicated or affirmed of something;
   affirmable; attributable.

Predicable \Pred"i*ca*ble\, n.
   1. Anything affirmable of another; especially, a general
      attribute or notion as affirmable of, or applicable to,
      many individuals.

   2. (Logic) One of the five most general relations of
      attributes involved in logical arrangements, namely,
      genus, species, difference, property, and accident.