The word "un-controllabilities" refers to things that cannot be controlled. Some antonyms for this word include "controllable," "manageable," and "regulated." Controllable refers to things that can be managed or controlled easily. For example, a car's speed is controllable by the driver. Manageable refers to things that are within one's limits to handle. For instance, a manageable workload is one that can be handled without feeling overwhelmed. Finally, regulated refers to things that are controlled by law or rules. For example, traffic is regulated by traffic laws. These antonyms imply that there is some level of control over the situation, unlike "un-controllabilities.