say it: kuh-MEM-ur-ayt
commemorate is a verb meaning "celebrate by some ceremony or observation". It carries 3 recorded senses.
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”
be or provide a memorial to a person or an event
“This sculpture commemorates the victims of the concentration camps”
“We memorialized the Dead”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for commemorate come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.