— commemorational , adj.
/keuh mem'euh ray"sheuhn/ , n.
1. the act of commemorating.
2. a service, celebration, etc., in memory of some person or event.
3. a memorial.
4. (in many Christian churches) a special service or prayer for commemorating the lesser feast on days on which two feasts of unequal rank are celebrated.
[ 1350-1400; ME ( commemoration- (s. of commemoratio ), equiv. to commemorat ( us ) (see COMMEMORATE) + -ion- -ION ]