The antonyms for the phrase "actioning for cause exhibit" can be found by breaking down the individual words. "Actioning," which means to take action, can be antonymous to words like neglecting, ignoring or abandoning. "For cause," which refers to a reason or justification, can have antonyms such as baseless, unfounded or unjustified. Finally, "exhibit" meaning to display or show, can have antonyms such as conceal, hide or keep secret. Therefore, the antonyms for the phrase "actioning for cause exhibit" would be neglecting for baseless concealment. In simpler terms, ignoring an issue without any good reason and keeping it hidden.