Most temporizing refers to the practice of delaying or avoiding making a decision or taking action. Antonyms for this term include assertive, decisive, proactive, resolute, and determined. Being assertive means expressing oneself confidently and forcefully, without hesitation or uncertainty. Being decisive means making quick and firm decisions when needed, without hesitation or second-guessing. Being proactive means taking initiative and being forward-thinking, rather than waiting for things to happen. Being resolute means showing strong determination and unwavering commitment to one's goals. In summary, the opposite of most temporizing involves taking charge, being confident, and making decisions promptly and decisively.