Senorita n 1: a Spanish title or form of address used to or of an unmarried girl or woman; similar to the English `Miss'
Senorita \Se`[~n]o*ri"ta\, n. [Sp.] A Spanish title of courtesy given to a young lady; Miss; also, a young lady. [1913 Webster]
21 Moby Thesaurus words for "senorita": Frau, Fraulein, Miss, Mistress, Mlle, Mme, Mmes, dame, dona, donna, lady, madam, madame, mademoiselle, mem-sahib, mesdames, senhora, senhorita, signora, signorina, vrouw