formal Synonyms

stately ceremonious stiff conventional dinner dress ceremonial ritual reserved official rigid institutional dignified solemn schematic courtly traditional punctilious proper formalistic evening gown prescribed ball precise strait-laced structural solemnly soi-disant strained stilted starchy spheral staid standard starched statutory state so-called serious semiofficial regimented refined quakerish purported puritanical prudish propositional pronunciative regimental regular scholastic