The phrase "appeared in" is commonly used in writing to describe the presence or occurrence of something. However, there are a wide range of synonyms that can be used to convey a similar meaning. Examples include "showed up," "emerged," "made an appearance," "materialized," "presented itself," "turned up," "came into view," "came into sight," and "manifested." Depending on the context and the tone of the writing, different synonyms may be more appropriate. By utilizing a variety of synonyms for "appeared in," writers can keep their language fresh and engaging, while also expressing themselves with greater precision and creativity.