The word "schoolteacherish" has a negative connotation, implying a lack of creativity or individuality. Synonyms for this term may include "pedantic," "didactic," "traditional," or "conventional." Other words that could be used to describe a schoolteacherish person might include "stuffy," "uptight," or "rigid." Alternatively, synonyms that convey a more positive or neutral perception could include "knowledgeable," "dedicated," "organized," or "patient." Depending on the context and tone of the writing, different synonyms could be employed to convey a range of sentiments towards individuals that fit the schoolteacherish mold.