[syn: commemorate, memorialize, memorialise, immortalize, immortalise, record]
The Collaborative International Dictionary of English v.0.48:
Commemorate \Com*mem"o*rate\, v. t. [imp. & p. p.
   Commemorated; p. pr. & vb. n. Commemorating.] [L.
   commemoratus, p. p. of commemorare to remember; com- +
   memorare to mention, fr. memor mindful. See Memory.]
   To call to remembrance by a special act or observance; to
   celebrate with honor and solemnity; to honor, as a person or
   event, by some act of respect or affection, intended to
   preserve the remembrance of the person or event; as, to
   commemorate the sufferings and dying love of our Savior by
   the sacrament of the Lord's Supper; to commemorate the
   Declaration of Independence by the observance of the Fourth
   of July.
   [1913 Webster]
         We are called upon to commemorate a revolution.
                                                  --Atterbury.
   Syn: See Celebrate.
        [1913 Webster]
WordNet (r) 3.0 (2006):
commemorate
    v 1: mark by some ceremony or observation; "The citizens mark
         the anniversary of the revolution with a march and a
         parade" [syn: commemorate, mark]
    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" [syn: commemorate, remember]
    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" [syn: commemorate,
       memorialize, memorialise, immortalize, immortalise,
       record]
Moby Thesaurus II by Grady Ward, 1.0:
31 Moby Thesaurus words for "commemorate":
   beat the drum, blow the trumpet, celebrate, consecrate, dedicate,
   dress ship, fire a salute, hallow, hold jubilee, honor,
   immortalize, jubilate, jubilize, keep, maffick, make merry, mark,
   memorialize, monument, monumentalize, observe, remember, revere,
   reverence, salute, sanctify, signalize, solemnize, solemnly mark,
   sound a fanfare, venerate