Synonyms for Maiden (same or very similar meaning)
WordNet sense 1 ((cricket) an over in which no runs are scored):
maiden overWordNet sense 2 (an unmarried girl (especially a virgin)):
maidWordNet sense 3 (serving to set in motion):
first, inaugural, initiative, initiatoryWordNet sense 4 (first or beginning):
openingFrom the ODE community, based on WordNetadd/edit