Taking aback is an idiomatic expression that is used to describe a state of surprising or shocking someone. The term is often used in informal conversations, literature, and news reporting to express a sudden change in someone's mood or behavior. The antonyms of taking aback are words or phrases that describe the actions or emotions of someone who is not surprised, shocked, or caught off guard. Such antonyms may include words like unsurprised, undaunted, untroubled, or unaffected. These antonyms depict individuals who are ready to face situations without any hesitation, shock, or surprise. In essence, antonyms for taking aback embody a sense of confidence and preparedness.