Origin: Latin suffix -ive
Commemorative has 4 different meanings across 2 categories:
an object (such as a coin or postage stamp) made to mark an event or honor a person
"The museum sold limited-edition commemorative coins featuring the face of the first president."
An object made to commemorate a person, mark an event, etc.
"The museum displayed a commemorative medal awarded to the soldiers who survived the battle."
Serving to commemorate something.
"The town unveiled a new commemorative statue to honor the local heroes who served in the war."