Verb
1. mark by some ceremony or observation;
"We marked the anniversary of his death"2. call to remembrance; keep alive the memory of someone or something, as in a ceremony;
"We remembered the 50th anniversary of the liberation of Auschwitz""Remember the dead of the First World War"3. be or provide a memorial to a person or an event;
"This sculpture commemorates the victims of the concentration camps""We memorialized the Dead"