What is a synonym for "formal"?

Common synonyms include: ceremonial, ceremonious, conventional, courtly, full dress, nominal.

Formal

//ˈfɔɹməl// adj, noun

adj, noun ·Very common ·Middle school level

Noun

1
An evening gown. countable, uncountable
"Well, I open up the door / And much to my surprise / The girls were wearin' formals / And the boys were wearin' ties"
2
Formalin. uncountable
3
a gown for evening wear wordnet
4
An event with a formal dress code. countable, uncountable
"Jenny took Sam to her Year 12 formal."
5
An acetal formed from formaldehyde. countable, uncountable

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6
a lavish dance requiring formal attire wordnet
7
A formal parameter. countable, uncountable
8
Ellipsis of formal hall. abbreviation, alt-of, countable, ellipsis, uncountable

Adjective

1
In accordance with established forms.
"She spoke formal English, without any dialect."
2
Official.
"I'd like to make a formal complaint."
3
Relating to the form or structure of something.
"Formal linguistics ignores the vocabulary of languages and focuses solely on their grammar."
4
Relating to formation.
"The formal stage is a critical part of any child's development."
5
Ceremonial or traditional.
"Formal wear must be worn at my wedding!"

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6
Proper, according to strict etiquette; not casual.
"He's always very formal, and I wish he'd relax a bit."
7
Organized; well-structured and planned.
"When they became a formal club the rowers built a small boathouse."
8
In accordance with a methodological framework with well-defined rules or laws; rigorous. especially
"A set of words can be formal cognates only if they can be derived from a common ancestor by regular sound laws."
9
Relating to mere manipulation and construction of strings of symbols, without regard to their meaning.
"Formal series are defined without any reference to convergence."

Adjective

1
refined or imposing in manner or appearance; befitting a royal court wordnet
2
being in accord with established forms and conventions and requirements (as e.g. of formal dress) wordnet
3
(of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms wordnet
4
logically deductive wordnet
5
characteristic of or befitting a person in authority wordnet