computable

adjective4

1. •
   Capable of being computed, or enumerated.
2. •
   Of a problem, solvable by a Turing machine or any thereto Turing-equivalent model; Turing-computable.
3. •
   of a number, able to be approximated to arbitrary precision by a computable function
4. •
   Of a countably infinite set, having a computable indicator function.