名詞 ceremonial:

1. a formal event performed on a special occasion
   同義詞：ceremony, ceremonial occasion, observance

形容詞 ceremonial:

1. marked by pomp or ceremony or formality

1. The ceremonial opening of Parliament was a fine spectacle.
   該議會(huì)的開幕式場(chǎng)面隆重。
2. He looked rather out of place when he turned up in full ceremonial rig.
   當(dāng)他穿著全套大禮服露面的時(shí)候，顯得和整個(gè)場(chǎng)合很不協(xié)調(diào)。
3. A youth in ceremonial employment or attendance at court.
   青年服務(wù)員在集會(huì)儀式上雇用或待從的青年
4. A ceremonial journey made by a sovereign through his or her realm.
   巡行，巡游帝王在其王國(guó)里的有儀式的旅程
5. A head of state may not have much political power, and may be restricted to ceremonial duties(meeting ambassador, laying wreath at national memorials, opening parliament, etc).
   國(guó)家元首也許沒(méi)有太多的政治上的權(quán)力，也許只限于禮儀上的職責(zé)(會(huì)見大使、在全國(guó)性紀(jì)念儀式上放花圈、宣布議會(huì)開始等)。

cer.e.mo.ni.al

adj.（形容詞）
Of, appropriate to, or characterized by ceremony; formal or ritual.
正式的：屬于禮儀的、適于禮儀的或以之為特征的；正式的或禮節(jié)性的
Involved or used in ceremonies:
禮儀場(chǎng)合的：有關(guān)或用于禮儀場(chǎng)合的：
例句：
ceremonial garb.
禮袍

n.（名詞）
A set of ceremonies prescribed for an occasion; a ritual.
儀式：為某種場(chǎng)合而設(shè)定的一套禮儀；儀式
A ceremony or rite.
典禮，儀式

【引伸】
cer.emo.nialism
n.（名詞）
cer.emo.nialist
n.（名詞）
cer.emo.nially
adv.（副詞）