predicable

Capable of being predicated or affirmed of something; affirmable; attributable.

That may be used in the predicate of a sentence, especially following a form of the verb "to be".

Anything affirmable of another; especially, a general attribute or notion as affirmable of, or applicable to, many individuals.

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