from
The Collaborative International Dictionary of English v.0.48
Commemoration \Com*mem`o*ra"tion\, n. [L. commemoratio.]
1. The act of commemorating; an observance or celebration
designed to honor the memory of some person or event.
[1913 Webster]
This sacrament was designed to be a standing
commemoration of the death and passion of our Lord.
--Abp.
Tillotson.
[1913 Webster]
The commonwealth which . . . chooses the most
flagrant act of murderous regicide treason for a
feast of eternal commemoration. --Burke.
[1913 Webster]
2. Whatever serves the purpose of commemorating; a memorial.
[1913 Webster]
{Commemoration day}, at the University of Oxford, Eng., an
annual observance or ceremony in honor of the benefactors
of the University, at which time honorary degrees are
conferred.
[1913 Webster]