adj. & n.
adj. 1 with or concerning ritual or ceremony. 2 formal (a ceremonial bow).
n. 1 a system of rites etc. to be used esp. at a formal or religious occasion. 2 the formalities or behaviour proper to any occasion (with all due ceremonial). 3 RC Ch. a book containing an order of ritual. ceremonialism n. ceremonialist n. ceremonially adv.
[ LL caerimonialis (as CEREMONY) ]