"Called a halt to" refers to stopping something or putting an end to it. Some antonyms for this phrase could be: continued, carried on, resumed, restarted, and recommenced. If someone decides not to call a halt to something, they may choose to let it continue, carry on or even encourage it to start back up. On the other hand, if they do call a halt to something and want to put a definitive end to it, they may choose to bring it to a close or finish it. By considering these antonyms, individuals can understand the importance of knowing when to call a halt to something and when to continue it.