形容詞 ceremonious:

1. characterized by pomp and ceremony and stately display
   同義詞：pompous
2. rigidly formal or bound by convention
   同義詞：conventional

1. A showy or ceremonious passage, such as a fanfare.
   裝飾樂句，花式吹奏一段炫耀或講究儀式的音樂，例如小號曲
2. Rigorous or ceremonious adherence to established forms, rules, or customs.
   拘泥形式遵照或順從已被確認的形式、規(guī)則或習俗
3. He unveiled the picture with a ceremonious gesture.
   他鄭重其事地為這幅畫揭幕。

cer.e.mo.ni.ous

adj.（形容詞）
Strictly observant of or devoted to ceremony, ritual, or etiquette; punctilious:
拘禮的：嚴格遵循或講究禮儀、儀式或禮節(jié)的；拘禮的：
例句：
.borne on silvery trays by ceremonious world-weary waiters.(Financial Times)
.放在彬彬有禮的厭世侍者托著的銀盤上.(金融時報)

Characterized by ceremony:
禮節(jié)性的：
例句：
.Putting on a hat can be a ceremonious act, an elegant gesture in the ritual of dressing.(Ruth La Ferla)
.戴帽子被看作一種禮節(jié)性的舉動，是著裝儀式上一個優(yōu)雅的舉動.(露絲·拉·費拉)

In accord with prescribed or customary usage; rigidly formal:
拘泥的：合乎習俗或俗套的；嚴格正統(tǒng)的：
例句：
Their ceremonious greetings did not seem heartfelt.
他們禮節(jié)性的歡迎看起來并不是出于真心的

【引伸】
cer.emo.niously
adv.（副詞）
cer.emo.niousness
n.（名詞）