formal (n.)
- adverbial
- byname
- celebration
- ceremonial
- ceremony
- commencement
- conjunctive
- convocation
- copulative
- diminutive
- earnest
- exercise
- exercises
- express
- flatulent
- formality
- formative
- formulary
- function
- gallant
- graduation
- grave
- grim
- heavy
- honorific
- inaugural
- inauguration
- initiation
- inkhorn
- intransitive
- legal
- limited
- linking
- liturgy
- lumbering
- meet
- modal
- mummery
- nominal
- nominative
- normal
- observance
- office
- official
- orderly
- organic
- orthodox
- participial
- performance
- plastic
- pontifical
- prim
- pronominal
- regalia
- regular
- right
- rigid
- rite
- ritual
- routine
- service
- sesquipedalian
- set
- solemnity
- solemnization
- square
- standard
- steady
- stiff
- straight
- strict
- substantive
- surface
- tails
- transitive
- tuxedo
- uniform
formal (adj.)
- accepted
- acknowledged
- adjectival
- adverbial
- anatomic
- approved
- architectonic
- architectural
- arranged
- attributive
- authorized
- awkward
- baptismal
- bombastic
- businesslike
- ceremonial
- ceremonious
- chivalric
- chivalrous
- conditional
- confining
- conformable
- conjunctive
- conventional
- conventionalized
- copulative
- correct
- courtly
- cramped
- cumbrous
- customary
- decent
- decorous
- definite
- demure
- dignified
- diminutive
- distant
- earnest
- elephantine
- established
- eucharistic
- exact
- exacting
- explicit
- express
- extrinsic
- fixed
- flatulent
- forced
- formalistic
- formalized
- formational
- formative
- formulaic
- formulary
- frowning
- functional
- gallant
- gassy
- grammatic
- grandiloquent
- grave
- grim
- habitual
- halting
- harmonious
- heavy
- honorific
- impersonal
- inaugural
- inflated
- inflexible
- intransitive
- knightly
- labored
- lawful
- leaden
- legal
- limited
- linking
- long-faced
- lumbering
- meet
- methodical
- modal
- morphological
- nominal
- nominative
- normal
- official
- old-fashioned
- old-world
- ordered
- orderly
- organic
- organismal
- orthodox
- ostensible
- outward
- participial
- paschal
- pedantic
- performance
- plastic
- pompous
- ponderous
- pontifical
- precise
- prepositional
- prescribed
- pretended
- prim
- professed
- pronominal
- proper
- punctilious
- quasi
- received
- recognized
- regular
- reserved
- right
- rigid
- rite
- ritual
- ritualistic
- routine
- sacramental
- sedate
- seemly
- self-important
- self-styled
- serious
- service
- sesquipedalian
- set
- so-called
- sober
- sobersided
- soi-disant
- solemn
- somber
- square
- staid
- standard
- stately
- steady
- stiff
- stilted
- straight
- strait-laced
- strict
- structural
- stuffy
- stylized
- substantive
- superficial
- supposed
- surface
- swollen
- symmetrical
- syntactic
- systematic
- tectonic
- thoughtful
- titular
- traditional
- transitive
- tumid
- turgid
- unbending
- unchanging
- uniform
- unsmiling
- unwieldy
- usual
- verbal
- weighty
- well-ordered
- would-be