"Tossing up" is a commonly used phrase that signifies a state of indecision, confusion, or uncertainty. However, there are several antonyms for this phrase that portray a sense of clarity, confidence, and certainty. Consider using phrases like "making up one's mind," "resolute decision," "decisive choice," or "clear judgment" to convey a sense of certainty and conviction. Alternatively, you can use phrases such as "clarity of purpose," "cohesion of ideas," or "harmony of thought," to indicate a state of unanimity or agreement. Regardless of the approach, distinguishing the antonyms for "tossing up" can enhance the clarity and precision of communication.