"serving or intended for commemoration," 1610s, from commemorate + -ive. As a noun meaning "means of commemoration" it is recorded from 1630s; as short for commemorative postage stamp from 1916.
a commemorative plaque
comme ci, comme ca
comme il faut
commedia dell'arte
commemorate
commemoration
commemorative
commen
commence
commencement
commend
commendable
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