formalidad
/foɾmaliˈdad/ · B2 · noun · f
formality
🎩 formalidad = formal + -idad (-ity), the state of being formal
Spanish -idad matches English -ity, so formalidad is basically formal + ity. Many Spanish nouns ending in -idad (realidad, calidad, publicidad) map the same way to English -ity or -ty.