The phrase "keep under hat" is often used to mean keeping something hidden or confidential. Its antonyms, on the other hand, are words and phrases that indicate disclosure, openness, or sharing of information. These include words such as reveal, unveil, uncover, expose, disclose, and broadcast. Antonyms for "keep under hat" convey a sense of transparency, honesty, and trust. Whereas keeping under hat suggests secrecy and withholding, their opposites indicate a willingness to share information and allow others access to knowledge. By choosing to reveal rather than conceal, we create the potential for greater understanding, collaboration, and connection with those around us.