* Reveal: This is the most direct opposite, meaning to make something visible or known.
* Disclose: This implies making something secret known, often officially or publicly.
* Uncover: This suggests finding and making something hidden visible.
* Expose: This means to make something vulnerable or open to view.
* Show: This is a more general term for making something visible.
* Display: This suggests making something visible for others to see.
The best antonym will depend on the specific situation and the intended meaning.