Origin: Latin suffix -al
Ceremonial has 4 different meanings across 2 categories:
a formal event performed on a special occasion
"a ceremony commemorating Pearl Harbor"
A ceremony, or series of ceremonies, prescribed by ritual.
"The ancient priests performed their ceremonial duties every sunrise to honor the sun god according to strict tradition."
Of, relating to, or used in a ceremony.
"The guests gathered around the ceremonial cake as it was brought out for the anniversary celebration."