condition or quality of being formal; accordance with required or traditional rules, procedures, etc.; conventionality.

rigorously methodical character.

strict adherence to established rules and procedures; rigidity.

observance of form or ceremony.

marked or excessive ceremoniousness.

an established order or method of proceeding

the formalities of judicial process.

a formal act or observance.

something done merely or mainly for form's sake; a requirement of custom or etiquette

the formality of a thank-you note.

noun

informality

noun

academism , ceremony , convenance , conventionality , form , gesture , liturgy , matter of form , officialism , procedure , red tape * , rite , ritual , rituality , rubric , rule , service , solemnity , solemnness , stereotype , tradition , ceremoniousness , conventionalism , correctness , decorum , formalism , honors , mummery , politesse , propriety , p’s and q’s , punctiliousness , protocol , custom , precision