The concept of "claiming falsely" implies dishonesty and deception. Antonyms, or opposites, of this phrase would include terms such as admitting truthfully, declaring accurately, and acknowledging honestly. These words all suggest a commitment to truthfulness and transparency. Other antonyms might include being forthright, honest, and upfront. These terms are often used in discussions around ethics, integrity, and honesty. Adopting an antonym mindset of claiming falsely might help individuals achieve greater success and trust in their personal and professional lives.