ceremonial occasion

NOUN
19 LETTERS · STARTS WITH C

ceremonial occasion is a valid 19-letter word worth 26 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3E1R1E1M3O1N1I1A1L1O1C3C3A1S1I1O1N1
3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does ceremonial occasion mean?