The word "in-tractablenesses" means stubbornness or difficulty in managing or controlling something. Some of the antonyms for this word could include flexibility, docility, manageability, obedience, and compatibility. These words all convey a willingness to cooperate and comply, rather than resist or defy. A situation or person who is considered intractable may require patience, understanding, and diplomacy in order to make progress. However, by recognizing the potential for compromise and finding common ground, even the most difficult situations can be approached with a positive attitude and a determination to work towards a solution.