A formal event performed on a special occasion:
— A ceremony commemorating Pearl Harbor.

synonyms: ceremonial, ceremonial occasion, observance.

Roget 998: rite; ceremony, ritual, liturgy, ceremonial; ordinance, observance, function, duty; form, formulary; solemnity, sacrament; incantation etc. (spell) 993; service, psalmody etc. (worship) 990.    ministration; preaching, preachment; predication, sermon, homily, lecture, discourse, pastoral.    [Christian ritual for induction into the faith] baptism, christening, chrism; circumcision; baptismal regeneration; font.    confirmation; imposition of hands, laying on of hands; ordination etc. (churchdom) 995; excommunication.    [Jewish rituals] Bar Mitzvah, Bas Mitzvah [Fr.], Bris.    Eucharist, Lord's supper, communion; the sacrament, the holy sacrament; celebration, high celebration; missa cantata [Lat.]; asperges^†; offertory; introit; consecration; consubstantiation, transubstantiation; real presence; elements; mass; high mass, low mass, dry mass.    matrimony etc. 903; burial etc. 363; visitation of the sick.    seven sacraments, impanation^†, subpanation^†, extreme unction, viaticum, invocation of saints, canonization, transfiguration, auricular confession; maceration, flagellation, sackcloth and ashes; penance etc. (atonement) 952; telling of beads, processional; thurification^†, incense, holy water, aspersion.    relics, rosary, beads, reliquary, host, cross, rood, crucifix, pax [Lat.], pyx, agnus Dei [Lat.], censer, thurible, patera^†; eileton^†, Holy Grail; prayer machine, prayer wheel; Sangraal^†, urceus^†.    ritualism, ceremonialism; sabbatism^†, sabbatarianism^†; ritualist, sabbatarian^†.    holyday, feast, fast.    [Christian holy days] Sabbath, Pentecost; Advent, Christmas, Epiphany; Lent; Passion week, Holy week; Easter, Easter Sunday, Whitsuntide; agape, Ascension Day, Candlemas^†, Ash Wednesday, Good Friday, Holy Thursday; Lammas, Martinmas, Michaelmas; All SAint's DAy, All Souls' Day.    [Moslem holy days] Ramadan, Ramazan; Bairam &c.. etc. [Jewish holy days] Passover; Shabuoth; Yom Kippur, Day of Atonement; Rosh Hashana, New Year; Hanukkah, Chanukkah, Feast of Lights; Purim, Feast of lots.    ... show more

Roget 883: celebration, solemnization, jubilee, commemoration, ovation, paean, triumph, jubilation, ceremony (rite) 998; holiday, fiesta, zarabanda^†, revelry, feast (amusement) 840; china anniversary, diamond anniversary, golden anniversary, silver anniversary, tin anniversary, china jubilee, diamond jubilee, golden jubilee, silver jubilee, tin jubilee, china wedding, diamond wedding, golden wedding, silver wedding, tin wedding.    triumphal arch, bonfire, salute; salvo, salvo of artillery; feu de joie [Fr.], flourish of trumpets, fanfare, colors flying, illuminations.    inauguration, installation, presentation; coronation; Lord Mayor's show; harvest-home, red-letter day; trophy etc. 733; Te Deum etc. (thanksgiving) 990 [Lat.]; fete etc. 882; holiday etc. 840; Forefathers' Day [U.S.].    ... show more

Roget 882: ostentation, display, show, flourish, parade, etalage [Fr.], pomp, array, state, solemnity; dash, splash, splurge, glitter, strut, pomposity; pretense, pretensions; showing off; fuss.    magnificence, splendor; coup d'oeil [Fr.]; grand doings.    coup de theatre; stage effect, stage trick; claptrap; mise en scene [Fr.]; tour de force; chic.    demonstration, flying colors; tomfoolery; flourish of trumpets etc. (celebration) 883; pageant, pageantry; spectacle, exhibition, exposition, procession; turn out, set out; grand function; f=ete, gala, field day, review, march past, promenade, insubstantial pageant.    dress; court dress, full dress, evening dress, ball dress, fancy dress; tailoring, millinery, man millinery, frippery, foppery, equipage.    ceremony, ceremonial; ritual; form, formality; etiquette; puncto [Lat.], punctilio, punctiliousness; starched stateliness, stateliness.    mummery, solemn mockery, mouth honor.    attitudinarian^†; fop etc. 854.    ... show more

Dutch: vormlijkheid, plechtigheid, ceremonie
Polish: uroczystość

Any activity that is performed in an especially solemn elaborate or formal way.

The proper or conventional behavior on some solemn occasion.

Dutch: ceremonie, plechtigheid, solemniteit