Synonyms for Crenellated (same or very similar meaning)
WordNet sense 1 (having or resembling repeated square indentations like those in a battlement):
castellated, crenelate, crenelated, embattled, battlemented, castled, crenellate, indentedWordNet sense 2 (not plain; decorative or ornamented):
fancyFrom the ODE community, based on WordNetadd/edit