The word "establishable" refers to something that is capable of being set up or initiated. The antonyms for this term would be words that have opposite meanings like "unsettled," "disorderly," "unstable," "unsettling," "unfixed," or "unconfirmed." These words describe a state of uncertainty or lack of foundation, which is the opposite of the meaning of "establishable." For example, a plan that is considered "establishable" is one that is well thought-out and can be implemented easily. Conversely, a plan that is deemed "unsettled" may be incomplete, uncertain or confusing. Overall, knowing the antonyms of "establishable" is crucial to understanding how to use this word and its correct context.