The phrase "showed itself" can be substituted with various synonyms depending on the context of the sentence. Some alternatives include "emerged", "manifested", "revealed", "appeared", "displayed", "unveiled", "exhibited", "demonstrated", and "betrayed". The choice of synonym can convey a slightly different connotation, such as "emerged" suggesting something previously hidden or "betrayed" implying unintentional revelation. It is important to select the most fitting synonym to ensure clear and effective communication, whether in writing or speech.