don
1 (tratamiento de cortesía) Don (en carta, sobre) Esquire; Sr. Don Fernando García (en correspondencia) Mr F. García; Fernando García Esq.; ¿habéis visto a don Fernando? have you seen Mr García?; es don perfecto, él cree que nunca se equivoca he thinks he's Mr Perfect and never makes a mistake; el rey don Pedro King Peter
2 (Arg) (Col) (tratamiento popular) mate (familiar); buddy (familiar); (EEUU) A courtesy title, don/doña placed before the first name of an older or more senior man/woman is a way of showing them your respect when talking to them or about them. E.g. "¿Podría hablar con don César Roca?", "Buenos días doña Alicia. ¿Qué tal su viaje?" Although now becoming rarer, in Spain Don and Doña, often abbreviated to D. and Dña., are commonly used before full names on official documents and contracts. In formal correspondence, they are used in combination with Sr., Sra. and Srta., e.g. Sr. D. Bernardo Esplugas Martín, Sra. Dña. Ana Rodríguez.