Antonyms for the phrase "calls bets off" include "commits to," "goes for," "proceeds with," "accepts," and "confirms." These antonyms convey a sense of determination and follow-through, in stark contrast to the hesitation and uncertainty implied by "calls bets off." By choosing to commit, go for, or proceed with a decision or action, one takes control of the situation and actively pursues their goals. Accepting and confirming a course of action likewise demonstrate a clear and decisive mindset. In contrast, "calling bets off" suggests wavering, indecision, or a lack of confidence in one's judgment.