Remediable
/rɪˈmiːdiəbl/
Definition 1 of 1
Pro Tip 1/3Positive Connotation
Indicates a problem is not permanent and can be improved or solved. 
Her educational delays are seen as remediable with proper tutoring.
Pro Tip 2/3Scope of Use
Most often used in formal contexts, such as medical, technical, or academic discussions. 
The committee concluded that the issue was remediable with additional funding.
Pro Tip 3/3Not Interchangeable
It suggests possibility, not certainty, of a fix, unlike 'fixable' which implies more certainty. 
The structural damage seems remediable, but further inspection is needed.