Synonyms for Majuscule (same or very similar meaning)
WordNet sense 1 (one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis):
capital, capital letter, upper-case letterWordNet sense 2 (uppercase):
greatWordNet sense 3 (relating to capital letters which were kept in the top half of a compositor's type case):
uppercaseFrom the ODE community, based on WordNetadd/edit