commemoratephoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic verb [T]
1. to remember officially and give respect to (a great person or event) esp. by a public
   ceremony or by making a statue or special building
    Gathered all together in this church, we commemorate those who lost their  lives in the great  war.
   A statue has been built to commemorate the 100th anniversary of the poet's birthday.

commemorationphoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic noun [U]
A set of stamps has been commissioned in commemoration of Independence Day.

commemorativephoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic adjective

This page is cited from Cambridge Dictionaries Online. For the original, please visit
http://dictionary.cambridge.org/define.asp?key=commemorate*1+0