conventions
con-ven-tions
noun
A large formal meeting or assembly, often for a specific group or purpose.
"The party held its annual convention in Brighton."
noun
Accepted customs, rules, or practices widely followed by a group or society.
"Social conventions dictate polite behaviour at dinner."
Thesaurus
Synonyms: conventionalism, conventionality, rule, formula, pattern, normal, convening
Antonyms: unconventionality