Cloelia is a proper noun that refers to a legendary Roman heroine who was captured by the Etruscan king Lars Porsena and later freed alongside several other hostages. While there may not be very many synonyms for this name, some possible alternatives might include similar-sounding names like Clodia, Clelia, or Celia. Additionally, synonyms for the various qualities and characteristics that Cloelia embodies - e.g. bravery, heroism, resilience, etc. - could also be used as substitutes for the name itself. Ultimately, the best synonym for this iconic figure may simply be the word "heroine," as she embodies all of the noble traits that we associate with that term.