Noun

• S: (n) formality, formalities (a requirement of etiquette or custom) "a mere formality"
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• S: (n) formality, formalness (a manner that strictly observes all forms and ceremonies) "the formality of his voice made the others pay him close attention"
• S: (n) formality (compliance with formal rules) "courtroom formality"