The word "exteriorized" refers to the act of expressing something that was previously hidden or internalised. Synonyms for this word include externalised, manifested, projected, revealed, displayed and exhibited. "Externalised" is the next closest synonym as it also conveys the idea of bringing something external to the surface. "Manifested" emphasizes the emergence of something that was hidden or previously unknown. "Projected" implies that something is being projected outward, while "revealed" and "displayed" focus on making something visible to the public. Lastly, "exhibited" suggests that something is being shown or put on display for others to see or experience.