儀|ぎgi[1]atamadaka (head-high)

1. nounceremony
2. nounmatter; affair; case
3. suffixwith regard to; as for; as concernsused in letters, official notices, etc. after a person's name, personal pronoun, etc.

• Synonym式典しきてんWrittenWritten/formal prose word for official ceremonies, as in 「記念式典」. 「儀」 mostly appears in compounds or as a suffix, and can also mean a matter or affair.
• Synonym儀式ぎしきNeutralThe neutral, everyday word for a ceremony held according to set forms, common in speech and writing. 「儀」 rarely stands alone, working mostly as a suffix in 「即位の儀」.
• Synonym典礼てんれいFormalFormal term for established ceremonies; it can also refer to Catholic liturgy but is little used. 「儀」 additionally covers matters and affairs.
• Synonym式しきNeutralNeutral word for ceremonies, very common in daily life and often a suffix, as in 「結婚式」. 「儀」 belongs to written or solemn contexts.
• SynonymセレモニーNeutralLoanword for ceremonies and rites, as in 「オープニングセレモニー」. 「儀」 is a written Sino-Japanese word, seldom used on its own and mostly found in compounds.
• Synonym儀典ぎてんFormalFormal word for the rules governing ceremonies, extended to ceremonies themselves. 「儀」 denotes the ceremony itself, or a matter.
• Synonym典てんWrittenWritten/formal prose morpheme for ceremonies, as in 「祭典」; it also means law codes. 「儀」 can additionally refer to a matter or affair.
• Synonym礼式れいしきWrittenWritten/formal prose word for the etiquette and forms of paying respects; little used. 「儀」 refers to ceremonies or to matters.
• Related定式ていしきWrittenWritten/formal prose word for established forms or formulas, and for prescribed ceremonies. 「儀」 centers on the ceremony itself.
• Related祭りまつりNeutralCovers rites honoring the gods and, by extension, lively festive events. 「儀」 is a general, solemn ceremony.

「儀」 is a written-style character that mostly appears in compounds or as a suffix, as in 「即位の儀」, and can also mean a matter or affair. For ceremonies in general choose 「儀式」 or 「式」; for official ceremonies 「式典」; for festivals 「祭り」. The rarer written or formal options — 「典礼」, 「儀典」, 「典」, 「定式」, 「礼式」 — and the loanword 「セレモニー」 each cover narrower, more specific uses.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （ギ）儀式ぎしき
2. （ギ）ことがら
3. （ギ）のこと。に関かんして。