Available :: Available (a.) Having sufficient power, force, or efficacy, for the object; effectual; valid; as, an available plea..
Available :: Available (a.) Such as one may avail one's self of; capable of being used for the accomplishment of a purpose; usable; profitable; advantageous; convertible into a resource; as, an available measure; an available candidate..
Availableness :: Availableness (n.) Competent power; validity; efficacy; as, the availableness of a title..
Availableness :: Availableness (n.) Quality of being available; capability of being used for the purpose intended.