commemorate ¹

Definition: 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"

commemorate ²

Definition: be or provide a memorial to a person or an event; "This sculpture commemorates the victims of the concentration camps"; "We memorialized the Dead"

commemorate ³

Definition: mark by some ceremony or observation; "We marked the anniversary of his death"