Had the audacity is a bold expression that implies a certain level of courage and impudence in one's actions or words. Some synonyms for this phrase could include "dared to", "had the nerve to", "had the guts to", "had the gall to", and "had the temerity to". These phrases all convey a similar sense of daring and defiance, and are often used to describe actions or statements that are deemed bold or even reckless. While these phrases may have slightly different connotations or nuances, they all convey a sense of confidence and fearlessness in the face of opposition or criticism.