Source : Webster's Revised Unabridged Dictionary (1913)

Numerable \Nu"mer*a*ble\, a. [L. numerabilis. See {Number}, v.
   t.]
   Capable of being numbered or counted.

Source : WordNet®

numerable
     adj : that can be counted; "countable sins"; "numerable assets"
           [syn: {countable}, {denumerable}, {enumerable}]