CEREMONIALLY
ceremonially, ritually
(adverb) in a ceremonial manner; “he was ceremonially sworn in as President”
ceremoniously, ceremonially
(adverb) in a ceremonious manner; “my mother advised her children ceremoniously”
Source: WordNet® 3.1
Etymology
Adverb
ceremonially (comparative more ceremonially, superlative most ceremonially)
In a ceremonial manner.
Source: Wiktionary
Cer`e*mo"ni*al*ly, adv.
Definition: According to rites and ceremonies; as, a person ceremonially
unclean.
CEREMONIAL
Cer`e*mo"ni*al, a. Etym: [L. caerimonialis: cf. F. cérimonial. See
Ceremony.]
1. Relating to ceremony, or external rite; ritual; according to the
forms of established rites.
Ceremonial observances and outward show. Hallam.
2. Observant of forms; ceremonious.
Note: [In this sense ceremonious is now preferred.] Donne.
He moves in the dull ceremonial track. Druden.
Cer`e*mo"ni*al, n.
1. A system of rules and ceremonies, enjoined by law, or established
by custom, in religious worship, social intercourse, or the courts of
princes; outward form.
The gorgeous ceremonial of the Burgundian court. Prescott.
2. The order for rites and forms in the Roman Catholic church, or the
book containing the rules presribed to be observed on solemn
occasions.
Source: Webster’s Unabridged Dictionary 1913 Edition