tractable

Short definition from Wiktionary

Adjective

1. 1
   Capable of being easily led, taught, or managed.
2. 2
   Easy to deal with or manage.
3. 3
   Capable of being shaped; malleable.
4. 4
   Capable of being handled or touched.
5. 5
   Sufficiently operationalizable or useful to allow a mathematical calculation to proceed toward a solution.
6. 6
   Algorithmically solvable fast enough to be practically relevant, typically in polynomial time.