equation ②ceremony ③style ④enforcement regulations (of the ritsuryō)

due form

ceremony

marriage ceremony

form of magic or divination (e.g. animating objects to act as the sorcerer's agent)

form

form (as opposed to substance) ②format ③formality ④mode

official ②formula (e.g. mathematical) ③official (social media) account (of a company, organization, etc.)

funeral

graduation ceremony

school entrance ceremony

equation ②method for solving a problem

regular game

ceremony

opening ceremony (of the school term)

old type

opening ceremony

numerical formula

old style

informal