Synonyms:
* Appear: To become visible or noticeable.
* Surface: To come to the surface, often from a hidden or submerged state.
* Come forth: To come out into view or existence.
* Rise: To move upward from a lower to a higher position.
* Materialize: To become real or actual.
* Develop: To gradually grow or become more apparent.
Words implying a process:
* Evolve: To develop gradually over time.
* Unfold: To reveal or become known gradually.
* Emanate: To come out from a source.
* Issue: To come out or forth, especially from a confined space.
* Spring: To come suddenly into existence or action.
Words emphasizing a state of change:
* Transform: To change in form or appearance.
* Metamorphose: To undergo a complete transformation.
* Transition: To pass from one state or condition to another.
Words with negative connotations:
* Resurface: To reappear after being hidden or absent.
* Reemerge: To emerge again after being hidden or absent.
The best word to use will depend on the specific context and the nuance you want to convey.