Decidable (adjective)

1. Able to be decided or settled.
2. Able to be determined or resolved.

Origin:

Late 19th century: from the verb decide + -able.

Examples:

1. The problem was decidable and the solution was found.
2. The question was decidable and the answer was determined.
3. The issue was decidable and the decision was made.
4. The case was decidable and the verdict was reached.
5. The matter was decidable and the conclusion was reached.