Definition of tractable:

responsive to suggestions and influences

Synonyms of tractable:

amenable, compliant, flexible, pliant, yielding, submissive, docile, responsive, manageable, receptive

Opposite/Antonyms of tractable:

stubborn, intractable, disobedient, headstrong, defiant, contumacious, adamant, inflexible, insubordinate, mulish

Sentence/Example of tractable:

The pair had to adjust their probabilistic model to make the calculations more tractable.