Answer: formal

AnswerCrossword Clue
FORMALDress-up affair
formalne in due or lawful form a formal contract received formal recognition
formalbelonging to or constituting the form or essence of a thing formal cause
formala social event that requires evening dress
FORMALKind of gown
FORMALIn writing, say
FORMALWhite-tie event
FORMALNot casual
FORMALLike a prom
FORMALDance
FORMALEvening dress
FORMALStarchy
FORMALEvening dress: Colloq.
FORMALCeremonious.
FORMALEvening dress.
FORMALPrim; stiff.
FORMALAccording to protocol.
FORMALDressy ball
FORMALKind of dance
FORMALCeremonial
FORMALStiff
FORMALDressy